1.on the verge of 濒临于
The peace talks were on the verge of collapse.
和平谈判濒于破裂
。2.decline to do 婉言拒绝做某事
Party B may decline to participate in any of the above, if it believes that to do so is contrary to its better interests.
如果因此而损害了乙方的利益,乙方可以拒绝参加相关活动
。3.expire 期满
This was due to expire at the end of the present Congress.
这项任命在本届国会届满时将到期
。4.hands are tied 无能为力
I really wish I could help, but my hands are tied.
我真的希望我能帮上忙,但我实在无能为力
。5.shift the blame 推卸责任
He tried to shift the blame for his mistakes onto his colleagues.
他自己犯了错误,却试图把责任推给同事
。