on form

on form — idiom

1. doing something at the usual high standard that people expect from you, especial

1.慣用語B2
釋義

doing something at the usual high standard that people expect from you, especially in a competition, performance, or job

例句

Dario was really on form at the chess tournament and won every single game.

The kitchen staff worked on form that evening and cleared every order in fifteen minutes.

同義詞
  • in good shape

    more general, refers to physical or mental condition rather than performance in a specific activity

  • at the top of one's game

    stronger emphasis on being the best, not just at usual standard

  • in the zone

    informal, suggests a focused mental state where everything flows naturally

反義詞
  • off form

    direct opposite; performing below usual standard

  • out of sorts

    not feeling or performing well, often due to mood or health

文法句型

[person] + be + on form

[person] + play/work/perform + on form

用法筆記

Common in British English, especially in sports commentary, workplace feedback, and reviews of performances. In American English the equivalent is usually 'in good form' or simply 'in form'. Frequently used with adverbs such as 'really', 'particularly', 'clearly', or 'definitely' placed before 'on form'.

常見錯誤

❌She was in form today.
✅She was on form today.
💡The correct preposition is 'on', not 'in'.
❌He is on his best form.
✅He is on form.
💡Although 'in good form' takes a possessive or adjective, the idiom 'on form' never takes a possessive pronoun or determiner before 'form'.
❌The team played on form, so they lost.
✅The team did not play on form, so they lost.
💡'On form' describes good performance; use 'off form' or 'not on form' for poor performance.