重点讲解：
1.hint at 对别人暗示；对……暗示；暗指
例句：Bankers hint at logistics problems, arguing that companies sometimes have difficulty in getting funds out of China.
银行家暗示存在物流方面的问题，他们辩称，公司有时在从中国撤出资金方面存在困难。

2.go through 经历；经受；仔细检查
例句：But by keeping such a low profile, he did not go through the media mill until a crisis blew up, and it showed.
可正因为行事如此低调，唐熙华没有经受过媒体磨练，直到危机爆发，暴露出了他的这个弱点。

3.take off 脱下；脱掉；脱去
例句：Take off your coat and roll up your sleeve, please.
请把外衣脱下，把袖子卷起来。

4.shut off 关掉；切断；关闭
例句：The brain, therefore, might have to shut off external inputs to get this job done.
因此，大脑可能不得不关闭外部信息通道来完成任务。

5.check in 入住；办理登记手续；签到
例句：Please have a seat for a while, I'll help you with the check in procedure.
请在那边稍坐一会儿，我将会为您办理入住手续。