1. Keep one's shirt on ①别紧张；②别发火
① Keep your shirt on: we have plenty of time to catch the train.
你别太紧张了，我们还有时间，足够赶到火车站去。
② Honey, keep your shirt on, please! I don't mean to be late.
亲爱的，请你别发货，我不是有意迟到的。
释义：
keep your shirt on: 本义是穿着你的衬衣，引申为别紧张和保持冷静。
2. Kick back （动词）①放松；②报复；③给回扣
① I really need to kick back during the holiday season.
我假期时真的需要好好放松一下。
② The United States decided to kick back after the incident.
事件发生后，美国决定要报复。
③ The company had to kick back a lot to the corrupt officer.
这家公司必须给腐败的政府官员很大一笔回扣。