Last Updated：2025/11/23

(idiomatic) To act in one's own interests; to act in a manner advantageous primarily to oneself.

音声機能が動作しない場合はこちらをご確認ください

See correct answer

look out for number one

Source Word

look out for number one

Verb

idiomatic

(idiomatic) To act in one's own interests; to act in a manner advantageous primarily to oneself.

Japanese Meaning

自分の利益を最優先に考える / 自分のために行動する / 自己中心的に振る舞う

会社が人員削減になったとき、彼は自分の利益を優先して退職金を受け取り、他の社員が職を守ろうと戦っている間に身を守った。

Sense（1）

(idiomatic) To act in one's own interests; to act in a manner advantageous primarily to oneself.

looks out for number one

（ present singular third-person ）

looking out for number one

（ participle present ）

looked out for number one

（ participle past ）

looked out for number one

（ past ）