as
as — 副詞
1. showing that two people, things, amounts, or actions reach an equal level in a c
一樣；同樣
比較時表示程度相同
showing that two people, things, amounts, or actions reach an equal level in a comparison.
The river is not as deep as it looks from here.
這條河沒有從這裡看起來那麼深。
pattern: not as + adjective + as
Mika can draw as neatly as her older sister now.
Mika 現在畫得跟姊姊一樣整齊。
as + adverb + as
This bag isn't as heavy as the blue one.
這個包包沒有藍色那個那麼重。
By noon, the market was as crowded as the night market.
到中午時，市場擠得跟夜市一樣。
文法句型
as + adjective/adverb + as
not as + adjective/adverb + as
用法筆記
Commonly used with adjectives and adverbs in the pattern 'as ... as'. In negative comparisons, English often uses 'not as ... as' instead of the comparative form.
常見錯誤
as — 介系詞
1. showing the part, use, appearance, or meaning that a person or thing has in a si
作為；當作
表示身分、用途或樣子
showing the part, use, appearance, or meaning that a person or thing has in a situation.
Lena works as a cook at the hospital near our home.
Lena 在我們家附近的醫院當廚師。
as + job or role
We used an old towel as a curtain in the bathroom.
我們把一條舊毛巾當成浴室的窗簾。
as + tool or use
The message came as a surprise to everyone in class.
這個消息讓全班都很意外。
On stage, Ravi dressed as a pirate with a paper sword.
Ravi 在台上扮成海盜，手裡拿著紙劍。
- in the role of
more formal and mainly used in careful writing
- like
only works when you mean similarity, not an actual role or function
文法句型
as + job or role
as + tool or use
as + result or feeling
用法筆記
Choose 'as' when the noun after it gives a real role, use, or result. Distinguish from 'like': 'like' shows similarity, but 'as' says what someone or something actually is or becomes in that moment.
常見錯誤
as — 連接詞
1. introducing the reason for something, often when the reason is already clear or
因為；既然
引出原因
introducing the reason for something, often when the reason is already clear or is not the main new information.
As the roads were icy, the school bus arrived very late.
因為路面結冰，校車到得很晚。
as + reason clause at sentence start
Nina stayed home as her baby had a fever.
Nina 因為寶寶發燒，所以待在家裡。
main clause + as + reason clause
As you already know the bus route, you can guide us home.
既然你已經知道公車路線了，你可以帶我們回家。
We ate indoors as dark clouds covered the beach.
因為烏雲蓋住了海灘，我們改在室內吃。
文法句型
as + clause, + main clause
main clause + as + clause
用法筆記
Often sounds a little lighter and less direct than 'because'. It is common when the speaker treats the reason as shared knowledge or background information.
常見錯誤
2. at the time when something else happens, or while one change happens together wi
當…時
表示同時或隨變化發生
at the time when something else happens, or while one change happens together with another.
I waved at Ken as I crossed the station bridge.
我走過車站天橋時，朝 Ken 揮了揮手。
as for two actions happening together
The room grew quieter as the babies fell asleep.
寶寶們睡著時，房間也慢慢安靜下來。
simultaneous change
As the years passed, the village road became wider.
隨著歲月過去，村裡的路變寬了。
The candles burned lower as dinner went on.
晚餐進行時，蠟燭也越燒越短。
文法句型
as + clause, + main clause
main clause + as + clause
用法筆記
Frequently links a gradual change in one clause with a gradual change in the other. Distinguish from sense 1: this sense focuses on time or parallel change, not on reason.
常見錯誤
3. showing that something happens or is true by following a similar pattern to anot
如同；照著
表示方式或情況相同
showing that something happens or is true by following a similar pattern to another thing or situation.
As my father taught me, I washed the knife at once.
我照爸爸教我的方式，立刻把刀洗乾淨。
as + clause for manner or model
Just as we expected, the small shop sold out early.
正如我們預料，小店很早就賣完了。
just as + clause for expected similarity
As the recipe says, bake the fish for twenty minutes.
照食譜上說的，把魚烤二十分鐘。
Mina packed the tent as her scout leader had shown her.
Mina 照童軍隊長教她的方法收起帳篷。
文法句型
as + clause
just as + clause, + main clause
用法筆記
Often points to a model, example, or earlier situation. Distinguish from sense 2: here the focus is similarity of way or pattern, not simply that two things happen at the same time.
常見錯誤
4. even though; used before a surprising main clause, often in an inverted pattern
雖然；儘管
先承認事實再轉折
even though; used before a surprising main clause, often in an inverted pattern such as 'tired as she was'.
Tired as Kofi was, he still read to the children.
Kofi 雖然很累，還是唸故事給孩子們聽。
adjective + as + subject + be
Cold as the water looked, Leo jumped in first.
水看起來雖然很冷，Leo 還是第一個跳下去。
formal concessive pattern
Young as Hana is, she speaks to guests calmly.
Hana 雖然年紀小，和客人說話卻很沉著。
Strange as it seemed, the lost dog found our gate.
這件事雖然看來很奇怪，走失的狗還是找到了我們家門口。
- although
the normal neutral form without inversion
- though
more common in speech and less formal than this pattern
- even though
more direct and emphatic than this literary pattern
文法句型
adjective + as + subject + be, + main clause
noun + as + subject + be, + main clause
用法筆記
Common in formal writing and careful speech. The word before 'as' is usually an adjective or noun moved to the front for emphasis.
常見錯誤
as — 代名詞
1. used after 'same' or 'such' to introduce the person or thing that fits that desc
一樣的；那種
接在same、such後，指那類人事物
used after 'same' or 'such' to introduce the person or thing that fits that description.
Kai ordered the same noodles as his brother ate last week.
Kai 點的麵和哥哥上週吃過的一樣。
the same + noun + as
The museum keeps tools such as farmers once used.
博物館保存著像農夫以前用過的那種工具。
such + noun + as + clause
Our class read the same poem as last year's students studied.
我們班讀的詩和去年的學生學過的一樣。
Bao loves songs such as his grandmother sang at weddings.
Bao 喜歡像他外婆在婚禮上唱的那種歌。
文法句型
the same + noun + as + noun phrase
such + noun + as + clause
用法筆記
Most often appears after 'same' in everyday English and after 'such' in more formal or literary patterns. Distinguish from the preposition sense: here 'as' points to the kind of person or thing meant inside the noun phrase.
常見錯誤
2. used to point to a whole fact or situation, often in comments such as 'as we exp
如此；這樣
代前面整件事補充說明
used to point to a whole fact or situation, often in comments such as 'as we expected'.
The train was late, as we had feared all morning.
火車果然誤點了，這正是我們整個早上都在擔心的。
comment clause referring to the whole earlier fact
Bao passed the test, as her teacher expected.
Bao 通過了考試，這也是老師預料到的。
as + subject + expected
The kitchen was empty, as was the room upstairs.
廚房是空的，樓上的房間也是如此。
Dad forgot the map, as often happens on family trips.
爸爸又忘了帶地圖，這種事在家庭旅行裡很常發生。
- which
more common in modern non-defining clauses after a whole statement
- a fact that
not a one-word synonym, but it shows the meaning this sense adds
文法句型
main clause, + as + subject + verb
main clause, + as + be + past participle
用法筆記
Usually comes after a full clause and adds a short comment on that whole statement. Distinguish from conjunction sense 3: this sense points back to the whole earlier fact, rather than comparing two ways of doing something.