第一、短語精講

tip off：暗中通知某人，向......泄露消息，泄密

【典型范例1】Greg tipped police off on his car phone about a suspect drunk driver.

格雷格用他的汽車電話向警方報(bào)告了一個(gè)有酒后駕駛嫌疑的司機(jī)。

【典型范例2】He was arrested two days later after a friend tipped off the FBI.

他的一個(gè)朋友給美國(guó)聯(lián)邦調(diào)查局報(bào)了信兩天以后他就被捕了。

in custody：被拘留，被監(jiān)禁

【典型范例1】He is in custody awaiting trial .

他已被拘留候?qū)彙?/p>

【典型范例2】He spent a week in custody on remand awaiting sentence.

等候判決期間他被還押候?qū)徱粋€(gè)星期。

turn in：把（犯罪嫌疑人）交給警方;告發(fā);檢舉

【典型范例1】He has been given until noon today to turn himself in to authorities.

他被要求在今天中午前向當(dāng)局投案自首。

【典型范例2】There would be strong incentives to turn someone in.

向警方舉報(bào)某人將獲重賞。

【典型范例3】He seems to be making all the arrangements necessary so that he can continue trafficking in drugs when he turns himself in…

他似乎正在做好各種必要安排，以便他自首后還能繼續(xù)販毒。

第二、重點(diǎn)短語回顧

come out of：從......出來

get back to：重新回到，追朔到

get out of：逃離

第三、短語積累

with your hands up：舉著手

stay seated：保持原地不動(dòng)

swim away：游走