ムチャ

recklessness, something unreasonable

noun Rare #30,085
recklessness, something unreasonable Often written 無茶; the katakana spelling adds emphasis.
JA: そんなムチャはやめて。
EN: Don't do anything so reckless.

ムチャはよせ

Don't be reckless.

— TAXi (1998)

なので皆さんくれぐれもムチャだけはしないようにお願いします

So please, everyone, be sure not to overdo it.

— One Cut of the Dead (2017)

なぜムチャをした

Why did you push yourself so hard?

— 花様年華 (2000)

ムチャだよ

That's impossible.

— ハウルの動く城 (2004)

ムチャをするな

Don't overdo it.

— ほんとうのピノッキオ (2019)

ムチャだ

That's impossible.

— Carandiru (2003)