Translation of "Foolishness" in Japanese

He was amazed at his foolishness.

彼の思慮の無さには驚いた。

That is the height of foolishness.

それは愚の骨頂だ。

I can't help but laugh at your foolishness.

君の愚かさには笑わずにはいられない。

- It's so stupid.
- That is the height of foolishness.

それは愚の骨頂だ。

- What a piece of folly!
- This is silly.
- What foolishness!
- Stupid thing!

なんという馬鹿なことだろう。

If it had not been for your foolishness, we would never have been in that trouble.

あなたのばかげた振る舞いがなかったら、私たちはあんな面倒にあわなかったろうに。