froth

/frɒθ/ (bre, ipa) · /frɔːθ/ (ame, ipa) · /ˈfrȯth/ (ame, mw) · /frɑːθ/ (ame, ipa)

1.名詞B2

釋義

泡沫

液體表面的一層小泡泡

a light layer of tiny bubbles collecting on top of a liquid or churned water

例句

A ring of froth formed on the hot milk in Beatriz's mug.

Beatriz 的杯子裡，熱牛奶表面形成了一圈泡沫。

pattern: froth on the surface of a drink

Dylan wiped the beer froth from his upper lip.

Dylan 擦掉了上唇上的啤酒泡沫。

同義詞

foam
the broad everyday word, often for a thicker layer
bubbles
focuses on the separate air pockets rather than the whole layer
lather
used especially for soap, shampoo, or shaving cream

文法句型

froth on [liquid]

a layer of froth

froth drifts behind [boat]

用法筆記

Usually uncountable when you mean a visible bubbly layer on a drink or the sea. It focuses on the foam you can see on top or around the liquid.

常見錯誤

❌The soda was full of froth inside the bottle.

✅The soda was full of bubbles inside the bottle.

💡'froth' usually refers to the foam you can see on top or around a liquid.

2.名詞C1

釋義

華而不實

看似吸引人卻空洞無用

showy talk, entertainment, or ideas that seem lively but offer little substance

例句

After ten minutes, the debate turned into froth about celebrity clothes.

十分鐘後，那場辯論變成了聊明星穿搭的華而不實內容。

figurative use: shallow media talk

Lotte skipped the froth and read only the health reports.

Lotte 略過那些華而不實的篇幅，只讀健康報導。

同義詞

fluff
more informal, especially for light but unimportant material
hype
focuses on exaggerated publicity rather than the content itself
window dressing
suggests decorative display hiding a lack of substance

反義詞

substance
real value or serious content
depth
serious thought and complexity

文法句型

all froth

skip the froth

froth about [topic]

用法筆記

Used critically for writing, media, or public talk that looks bright and appealing but lacks serious thought or value.

常見錯誤

❌The coffee had too much froth, just empty ideas.

✅The speech was all froth, just empty ideas.

💡this figurative sense refers to shallow content, not bubbles on a drink.

frothpresent simple I / you / we / they
froths3rd person singular
frothing-ing form
frothedpast simple

1.動詞及物 / 不及物B2

釋義

起泡

液體產生大量小泡泡

to fill with many small bubbles, or to make a liquid do this

例句

The milk froths quickly when Joon uses the small hand whisk.

Joon 用小手打器時，牛奶很快就起泡了。

pattern: liquid froths when a tool is used

Gita frothed the shampoo in her palms before washing the dog.

Gita 在幫狗洗澡前，先把洗毛精在手心搓到起泡。

transitive use: froth the shampoo

同義詞

foam
the closest general verb, often with a thicker surface layer
bubble
focuses on the rise of bubbles rather than the foamy layer
lather
used mainly with soap or shampoo worked into foam

文法句型

[liquid] froths

[person] froths [milk/soap]

[liquid] froths when [something] is added

用法筆記

Both transitive and intransitive. In everyday use it often describes milk, soap, or sea water becoming visibly foamy.

常見錯誤

❌The steam frothed the kitchen.

✅The milk frothed in the pan.

💡'froth' is used for bubbles forming in a liquid, not for steam filling a room.

2.動詞不及物C1

釋義

口吐白沫

因病從口中冒出泡沫

to have foam coming from the mouth because of illness, poison, or another physical crisis

例句

The dog began to froth at the mouth after the snake bite.

那隻狗被蛇咬後，開始口吐白沫。

fixed pattern: froth at the mouth

By the time help arrived, the horse was frothing at the mouth.

等到有人趕來幫忙時，那匹馬已經在口吐白沫了。

同義詞

foam at the mouth
the common everyday fixed phrase for this symptom
drool
means saliva runs from the mouth, not a mass of bubbles

文法句型

[person/animal] froths at the mouth

[person/animal] starts frothing

[person/animal] comes frothing toward [person/place]

用法筆記

Usually appears in the pattern 'froth at the mouth'. It describes a dangerous physical symptom, not ordinary anger or excitement.

常見錯誤

❌He was frothing because the bill was unfair.

✅He was frothing with rage because the bill was unfair.

💡literal frothing describes a physical symptom; anger usually needs a figurative phrase.

3.動詞不及物C1

釋義

暴怒

氣得像要失控一樣

to show extreme anger in a loud, uncontrolled, almost violent way

例句

Otis was frothing over the referee's late penalty call.

Otis 因為裁判最後判的十二碼而暴怒。

pattern: froth over a decision

Adina frothed at the mouth when the airline lost her cello.

航空公司弄丟 Adina 的大提琴時，她氣得像是要口吐白沫。

figurative use of froth at the mouth

同義詞

rage
the broad everyday verb for being very angry
seethe
suggests boiling inner anger, often less noisy
rant
focuses on angry talking rather than the feeling itself

反義詞

stay calm
to remain controlled instead of erupting in anger

文法句型

[person] froths over [issue]

[person] froths with rage

[person] froths about [topic]

用法筆記

Often paired with 'with rage' or 'at the mouth' for emphasis. Unlike sense 2, this use is figurative and talks about emotional overreaction.

常見錯誤

❌The soup was frothing with rage on the stove.

✅The soup was frothing on the stove.

💡this anger sense describes people, not bubbling liquid.

froth

froth — 名詞

1. a light layer of tiny bubbles collecting on top of a liquid or churned water

文法句型

用法筆記

常見錯誤

2. showy talk, entertainment, or ideas that seem lively but offer little substance

文法句型

用法筆記

常見錯誤

froth — 動詞

1. to fill with many small bubbles, or to make a liquid do this

文法句型

用法筆記

常見錯誤

2. to have foam coming from the mouth because of illness, poison, or another physic

文法句型

用法筆記

常見錯誤

3. to show extreme anger in a loud, uncontrolled, almost violent way

文法句型

用法筆記

常見錯誤