無茶だ

reckless

phrase Uncommon #17,849
reckless Used to say that something is unreasonable, excessive, or too dangerous. The form 無茶な comes before a noun, as in 無茶なこと (a reckless thing).
JA: そんな危険な場所に一人で行くなんて、無茶だよ。
EN: Going to such a dangerous place alone is reckless.

無茶だ

That's impossible!

— AKIRA (1988)

姫さま無茶だ

Princess, that's reckless!

— 風の谷のナウシカ (1984)

そりゃあ無茶だ

That's asking too much.

— 生きる (1952)

それは無茶だ

That's unreasonable.

そりゃ無茶だ

That's asking too much.

— 七人の侍 (1954)