undercover
adj[esp attrib尤作定語]
1 doing things secretly or done secretly; surreptitious 暗中進行的; 秘密做出的; 私下的
,undercover`payments, eg bribes 暗中付的款(如賄賂).
2 engaged in spying on people while appearing to work normallyamong them 做密探工作的
,undercover `agents, activities ,organizations 密探、 秘密活動、 進行秘密活動的組織
detectives working undercover 掩人耳目行事的偵探.
??? 情景例句
It's raining cats and dogs outside.
外面下著傾盆大雨。
If he doesn't, will you wash the car?
如果他不,你會洗車嗎?
The settlers built railways across the plains and began to hunt even more bison.