那个帮派成员威胁要伤害他,企图勒索钱财。
The gang member threatened to harm him in an attempt to ___extort money.
他通过威胁手段从证人那里逼取了关键证据。
He ___extorted crucial evidence from the witness by using threats.
那个官员因向企业勒索钱财而被逮捕。
The official was arrested for ___extorting money from businesses.