捨すてたもんじゃない

expression

not bad at all; nothing to sneeze at; pretty impressive

Colloquial expression used to say that something or someone is better than expected, not worthless, or has hidden merit. Often used when you initially underestimated something.

• あの店みせ、見みた目めはボロいけど、料りょう理りは捨すてたもんじゃないよ。

  That place looks run-down, but the food is nothing to sneeze at.

• 彼かれのアイデアも捨すてたもんじゃないね。

  His idea isn't half bad, either.