can't help

Verb

idiomatic no-past-participle no-present-participle

(idiomatic) Be unable to avoid a situation, or stop something from happening.

Japanese Meaning

（どうしても）〜してしまう、〜せざるを得ない / どうしても…してしまう状況になる、避けがたい状態である

I can't help laughing whenever I hear that silly joke.

そのばかげた冗談を聞くと、笑わずにはいられない。

Sense（1）

(idiomatic) Be unable to avoid a situation, or stop something from happening.

I can't help crying whenever I see "Romeo and Juliet".

can't help

（ present singular third-person ）

couldn't help

（ past ）