程てい度どが知しれる

expression, ichidan verb

reveal one's limitations; show one's true level; be seen for what it really is

Often used with a negative connotation, implying that someone or something is not as good as expected. The expression is typically used when a person's or thing's true (often low) ability or quality becomes apparent.

• 彼かれの実じつ力りょくは、難むずかしい問もん題だいを出だせば程てい度どが知しれる。

  His true ability will be revealed if you give him a difficult problem.

• あの店みせの料りょう理りは、一いち度ど食たべれば程てい度どが知しれる。

  The quality of that restaurant's food becomes apparent once you try it.