pat on the back
表示赞赏或鼓励
口语·表达赞赏
英文释义
to show approval or recognition for someone's achievements or efforts
例句
After finishing the project early, the manager gave everyone a pat on the back.
典故来源
源自实际动作，轻拍后背表示鼓励或认可，在英语文化中常见于日常互动。