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是致命的

is fatal

→ 是
phrase Rare #32,763
is fatal Can describe something that causes death or has extremely serious consequences.
CH: 这种毒药对猫是致命的。
EN: This poison is fatal to cats.

“一个人是致命的武器”

A person is a deadly weapon.

— RRR：双雄起义 (2022)

流感对猪是致命的

Influenza is fatal to pigs.

— 生吃 (2017)

这对他来说是致命的打击。

This was a devastating blow for him.