be a cold fish
不友好或冷淡的人
口語·形容人冷漠疏離
英文釋義
to be emotionally unresponsive or aloof; to show little or no enthusiasm or warmth
例句
The new manager is a cold fish; he never smiles or chats with the team.
典故來源
源自魚類的冷血特性,比喻人缺乏情感或熱情,像冷魚一樣冷淡。