before long

before long — idiom

1. after a short period of time has passed; happening sooner than you might expect

1.慣用語B1
釋義

after a short period of time has passed; happening sooner than you might expect

例句

Theo started piano lessons last month, and before long he could play a simple song.

used after 'and' to introduce a quick result

The sky grew dark, and before long heavy rain began to fall on the garden.

同義詞
  • soon

    shorter and more direct; can be used in the same positions

  • shortly

    slightly more formal; often used in news or official writing

  • in no time

    more emphatic and informal; suggests surprising speed

反義詞
  • much later

    direct opposite in meaning

  • eventually

    implies a longer wait or delay before something happens

文法句型

before long + [clause]

用法筆記

Before long is most often used in past-tense narration to connect two events that happen close together in time. It usually appears at the beginning of a clause or after 'and' or 'but'. It can also be used with future time references in predictions.

常見錯誤

Long before the movie ended, we left.' (meaning 'much earlier').
Before long, the movie ended and we left.
💡'long before' means 'a long time earlier', not 'soon'.