but

/bʌt/ (bre, ipa) · [bˈʌt] /bʌt/ (ame, ipa) · [bˈʌt] /ˈbət/ (ame, mw) · /bət/ (bre, ipa) · [bˈʌt] /bət/ (ame, ipa)

but — adverb

1. used before a noun phrase to show that something is no more important or impress

1.副詞B2
釋義

used before a noun phrase to show that something is no more important or impressive than what is described — like saying 'nothing more than' or 'only'.

例句

The news was but a rumor that no one could confirm.

pattern: be + but + noun phrase — 'nothing more than'

Mei-Lin is but a beginner at chess and still learns the basic rules.

同義詞
  • merely

    more neutral in register; works in both formal and informal contexts

  • just

    the most common equivalent in everyday speech

  • only

    emphasises limitation; interchangeable in most cases

文法句型

but + noun phrase (emphasising 'nothing more than')

用法筆記

In modern everyday English, 'just' or 'merely' is preferred. This 'but' is found mainly in formal or literary writing.

常見錯誤

He is but a child — he should not work.' (sounds too formal in casual speech).
He is just a child
💡he should not work.' — 'but' in this sense is mostly formal or literary.

2. no more than a particular amount, distance, or period of time — emphasising that

2.副詞B2
釋義

no more than a particular amount, distance, or period of time — emphasising that something is small or short.

例句

Olivia finished the assignment but an hour before the deadline.

pattern: but + time expression — 'only'

The hotel is but a short walk from the main train station.

同義詞
  • only

    the standard equivalent in all registers

  • just

    slightly more informal; common in conversation

文法句型

but + quantity/time expression

用法筆記

Common before expressions of time, distance, or quantity. In informal conversation, 'only' is far more frequent.

常見錯誤

I but saw him yesterday' (wrong word order).
I saw him but yesterday.
💡'but' follows the main verb, not the subject.

but — conjunction

but — noun

but — preposition

but — pronoun