笑わらい事ごと

noun

laughing matter

Used almost exclusively in negative expressions like 笑い事ではない to say something is no laughing matter or not a joke.

• こんな状じょう況きょうは笑わらい事ごとじゃないよ。

  This situation is no laughing matter.

• 彼かれの失しっ敗ぱいを笑わらい事ごとにしてはいけない。

  You shouldn't treat his failure as a laughing matter.