keep an eye open

Verb

idiomatic

(idiomatic) To remain vigilant for someone or something. / (idiomatic) To remain vigilant for a possibly dangerous situation.

Japanese Meaning

誰かや何かに対して警戒を続ける / 潜在的に危険な状況に備えて常に注意を払う

Could you keep an eye open for any suspicious activity near the office while I'm on vacation?

休暇中に事務所の近くで怪しい動きがないか注意して見ていてくれますか。

Sense（1）

(idiomatic) To remain vigilant for someone or something.

Sense（2）

(idiomatic) To remain vigilant for a possibly dangerous situation.

keeps an eye open

（ present singular third-person ）

keeping an eye open

（ participle present ）

kept an eye open

（ participle past ）

kept an eye open

（ past ）