Kill the goose that lays the golden eggs杀鸡取卵Jared the undercover reporter refused to call police when his source told him he was a murderer. Jared did not want to kill the goose that laid the golden eggs.Fred's wife knew he wasn't happy in his job, even though it paid well; still, she felt that advising him to quit would be killing the goose that laid the golden eggs.If you sell your shares now, you could be killing the goose that lays the golden eggs.Definition: Destroy a source of riches through stupidity or greed.Etymology: A proverb in the late 1400s, alludes to Aesop's fable about a farmer whose goose lays one golden egg a day. The farmer kills the goose in the mistaken belief that he'll get all the eggs at once.******Short end of stick 吃亏 不公平Valerie got the short end of the stick when she got the night shift again.Wallace got the short end of the stick when he got the room that faced the noisy neighbors.The nation felt they got the short end of the stick since the land lacked resources.Definition: To suffer the bad effects of a situationEtymology: From the 1500s, but it was said a bit differently back then. During those times people fought with sticks. In this fight, having a shorter stick was a disadvantage.******Knock yourself out爱/想/该干嘛干嘛 关我什么(屁)事You are going to Spain, Go knock yourself out.You want some of the cookies, Go knock yourself out.You want to ask my cousin out on a date. Go knock yourself out.Definition: Do whatever the hell you want, it doesn't bother me.Etymology: From the mid-1900s, where it alludes to knocking oneself unconscious