sound as a bell

Definition from Wiktionary, a free dictionary

[edit] English

[edit] Adjective

as sound as a bell

1. (idiomatic) In excellent condition.
   • 1600, William Shakespeare, Much Ado About Nothing, Act III, scene 2:

     He hath a heart as sound as a bell, and his tongue is the clapper; for what his heart thinks, his tongue speaks.