extort
用威胁的和强迫的手段进行勒索、敲诈。
He has been extorting money from her for 5 years.
他勒索她长达5年之久。
threaten
威胁
He has verbally threatened me for longtime.
他一直用语言威胁我。
就是指抓住对方的弱点进行威胁和恐吓！
win-win situation
表示双方都很满意
That would be a win-win situation(=No one is going to lose.).
谁也没有损失，对每个人都有好处。