1. cast-iron stomach 铁胃
【e.g】Jack has such a cast-iron stomach that he can eat a ghost pepper and feel perfectly fine afterward.
杰克的胃真的好，他吃超辣的辣椒都完全没反应！
2. put a sock in it（往某人的嘴里塞袜子）表示要别人闭嘴（是一个比较不礼貌的用法哦，用时请谨慎！）
【e.g】Put a sock in it, all of you. I'm trying to watch TV.
诶诶诶你们都给我闭嘴！我要看我爱豆了！
3. An open and shut case.明显的事情
【e.g】It’s an open-and-shut case.
这事情很好解决。
4. In The Nick Of Time 在最后一刻，来的正是时候
【e.g】The accident victim was on the verge of death, but the ambulance arrived in the nick of time and the paramedic saved her.
这个伤者已经奄奄一息了，但是救护车在最后一刻赶到了！护理人员把他从死亡边缘拉了回来。
5. Take a Hike 哪凉快哪呆着去
【e.g】Take a hike while I'm drawing, don't interrupt me!
我画画的时候请走开，不要打扰我！
6. Jack Of All Trades 杂而不精的人，万事通
【e.g】The position in the company required someone who knew everything about a very specific subject. They weren’t looking for a jack of all trades.
公司里的这个位置需要那种对一个学科有所专研的人，而不是一个杂而不精的人。
7. Break a Leg （非正式）祝你好运
【e.g】Break a leg in your test today.
祝你今天考试顺利。
8. Keyed Up 焦躁的；紧张不安的
【e.g】Stop pacing the floor. Relax. Why are you so keyed up?
不要来回走了，放松！你为什么如此不安？
9. Don’t have a cow 不要大惊小怪
【e.g】Don't have a cow! it's just a small bug.
别大惊小怪的，这只是一个小臭虫。
10.Let The Cat Out Of The Bag 真相大白
【e.g】When Rachel decided she was going to quit her job, she told her best friend but she didn’t want to let the cat out of the bag.
当Rachel决定辞职的时候，她告诉了她最好的朋友，同时朋友不会泄露这个秘密的。
