•Extraterritorial (adj.) -
Existing or taking place outside the territorial limits of a jurisdiction. （治外法權的）
Examples:
1.The laws of a nation may have extraterritorial impact extending the jurisdiction beyond the sovereign and territorial limits of that nation.
2.Under extraterritorial laws, the suspect was arrested in Canada and returned to the U.S.
•Sword of Damocles -
達摩克利斯之劍或懸頂之劍，隱喻隨時降臨的危險。傳說中的達摩克利斯是古意大利的朝臣，他與國王交換一天的身份並非常享受。但當他抬頭發現王位上方僅用一根馬鬃懸掛着的利劍時，興趣頓失，不想再擁有如此高的權位了。
•Beyond doubt (idiom) -
Without question; definitely.（不容置疑，毫無疑問）
Examples:
1.The DNA test results proved beyond any doubt that he was not the child's father.
2.If she is to be found guilty, the charges against her must be proved beyond a reasonable doubt.
•Drive a wedge between sb/sth (idiom) -
To cause discord between two people or things.
（挑撥……之間的關係）
Examples:
1.It doesn't make sense to let things that happened in the past drive a wedge between us now.
2.The argument drove a wedge between Mike and his father.
•All walks of life (idiom) -
Used to refer to people who have different jobs or positions in society.（各行各業，社會各階層）
Examples:
1.People from all walks of life came to the carnival.
2.Members of the gym include lawyers, teachers, plumbers, - people from all walks of life.
