bone up on

IPA/bˈəʊn ˌʌp ˈɒn/
IPA/bˈoʊn ˌʌp ˈɔn/

bone up on — 片語動詞

  • bone up onbase form
  • bones up on3rd person singular
  • boning up on-ing form
  • boned up onpast simple

1. to study or review a subject with focused effort, usually because you will soon

1.片語動詞及物B2
釋義

惡補

為了特定目的快速學習或複習

to study or review a subject with focused effort, usually because you will soon need the knowledge for something specific

例句

Lisa boned up on Italian history before her trip to Rome.

Lisa 在去羅馬旅行前惡補了義大利歷史。

The sales team boned up on the product specs because the launch was just days away.

因為發表日只剩幾天，銷售團隊惡補了產品規格。

bone up on + topic + because + reason

同義詞
  • brush up on

    milder; implies refreshing knowledge you already have rather than learning from scratch

  • cram

    more urgent and last-minute; strongly associated with exam preparation; does not require 'on'

  • swot up on

    informal British equivalent; rarely used in American English

文法句型

bone up on + noun phrase

用法筆記

Always followed by 'on' and a noun or noun phrase naming the subject being studied. The object cannot be a person — you bone up on a topic, not on someone.

常見錯誤

❌I need to bone up my French before the trip.
✅I need to bone up on my French before the trip.
💡the preposition 'on' is required; you always bone up ON something.