下げ駄たと焼やき味み噌そ

expression

things that look similar but are completely different

Idiomatic expression comparing two unrelated items that happen to share a superficial resemblance. Often used to point out a flawed comparison.

• 彼かれの説せつ明めいは下げ駄たと焼やき味み噌そで、全ぜん然ぜん説せっ得とく力りょくがない。

  His explanation is like comparing geta and grilled miso—completely unconvincing.