Chinese edit

not have lax; negligent
 
can; may; able to
can; may; able to; certain(ly); to suit; (particle used for emphasis)
to hit; to strike; to break
trad. (無懈可擊)
simp. (无懈可击)
Literally: “having no weakness/undefended area that can be assaulted”.

Pronunciation edit


Idiom edit

無懈可擊

  1. unassailable; unbeatable; incontrovertible; unimpeachable