have big ears
注意聽
口語·提醒注意隔墻有耳
英文釋義
to be an attentive listener or to be knowledgeable about secret or private information
例句
Be careful what you say—the walls have big ears in this office.
典故來源
源自“墻壁有耳”的古老說法，比喻耳朵大能聽到秘密，強調偷聽或消息靈通。