no-no 禁忌，不能做的事情
1:Talking on the phone at the movie theatre is a big no-no.
在電影院講電話是不可以的。
2: Chewing with your mouth open is a no-no.
張開嘴嚼東西是不行的。

win-win 雙贏，互利
win-win situation 互利雙贏的局面
1:The negotiation that the lawyer brokered was a win-win situation for everyone.
律師調解談判對對雙方都有好處。
2:Buying a used 2nd hand car can be a win-win situation… The buyer gets a good price, and the dealer sells a car.
買二手車是一件互利雙贏的事情… 買家可以用優惠的價格買到一臺車，賣家能夠出掉自己閑置的車。

chop-chop 快點
Chop-chop, We're going to be late for our reservation.
快點，我們要趕不上預定的時間了。

hush-hush 低調點，保密
We should keep this business transaction hush-hush.
我們要低調點完成這筆交易。

fifty-fifty 平分賬單
Let's call it even and split the profit 50-50. You take half and I take half.
我們平分賺來的錢吧。一人一半。