口語課堂第87期:加倍打擊報復
In the interest(s) of sth: in order to help or achieve sth 爲了,有助於
In the interests of safety, smoking is forbidden.
爲了安全,禁止吸菸.
Pay sth back/return sth with interest: react to the harm sb has done to you by doing sth even worse to them 加倍回擊(或懲罰)
Peter pushed his sister, so she paid him back with interest by kicking him hard. 彼得推了妹妹一下,妹妹反過來狠狠踢了他一腳.
