“退席”常见的英文表达是 “leave the seat” 或 “withdraw from one's seat” ，在更正式或特定的语境，比如会议、宴会等场合中，也可说 “exit the meeting/banquet”（根据具体场景替换“meeting”或“banquet” ） 。
例如：
他突然退席，让大家都很惊讶。（He suddenly left the seat, surprising everyone. ）
那位嘉宾在演讲中途退席了。（That guest withdrew from his seat during the middle of the speech. ）
会议还未结束，就有几个人退席了。（Several people exited the meeting before it was over. ）