at the top of one's game
English
Alternative forms
- on top of one's game
Prepositional phrase
at the top of one's game
- (informal) Performing as well as one can.
References
- “be at the top of your game” in Longman Dictionary of Contemporary English
- “be at the top of your game” in the Cambridge English Dictionary, Cambridge: Cambridge University Press.
- “at the top of one's game” (US) / “at the top of one's game” (UK) in Oxford Dictionaries, Oxford University Press.