up to speed

up to speed — idiom

1. having all the newest information needed to understand a situation or take part

1.慣用語B2
釋義

having all the newest information needed to understand a situation or take part in an activity; also, working as well as expected after a period of adjustment.

例句

Meera asked a colleague to bring her up to speed on the project.

bring [someone] up to speed on [topic]

After training, the new hires were up to speed with the company's procedures.

up to speed with [topic]

同義詞
  • up to date

    focuses on having current information but does not imply full effectiveness like 'up to speed' does

  • in the loop

    informal; emphasizes being included in communication rather than being fully competent

  • current

    more general; can apply to knowledge, events, or trends without the performance aspect

反義詞
  • out of touch

    suggests both lack of information and inability to perform effectively

  • behind the times

    implies outdated knowledge rather than adjustment period

  • in the dark

    informal; emphasizes being uninformed rather than incompetent

文法句型

be/bring/get/stay + up to speed + on/with [topic]

用法筆記

Often paired with the verbs 'get', 'bring', 'stay', or 'be'. The preposition 'on' typically introduces the topic in 'bring someone up to speed on [topic]', while 'with' is common in 'be up to speed with [topic]'. When the meaning is 'fully effective', the phrase often appears as 'get up to speed' without a complement.

常見錯誤

❌Please up to speed me on the changes.
✅Please bring me up to speed on the changes.
💡'up to speed' is not a verb; it needs a supporting verb like 'bring', 'get', 'stay', or 'be'.
❌He is up to speed of the new system.
✅He is up to speed on the new system.
💡use 'on' or 'with', not 'of', to introduce the topic.