be a cold fish
不友好或冷淡的人
口语·形容人冷漠疏离
英文释义
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.
典故来源
源自鱼类的冷血特性,比喻人缺乏情感或热情,像冷鱼一样冷淡。