1.secret services 特務(wù)機(jī)關(guān)
例句:Our secret services and our navy are completely incompetent.
我們的特工處以及我們的海軍都無(wú)能之極。
2.at the time 當(dāng)時(shí),在那時(shí)
例句:I was not in Britain at the time.
當(dāng)時(shí)我不在英國(guó)。
3.key witness 關(guān)鍵證人
例句:He is expected to be the key witness at the trial.
他將成為審判的關(guān)鍵證人。
4.tip off 透露消息;泄露
例句:The police arrested him after an anonymous tip off.
在接到匿名舉報(bào)后,警方逮捕了他。