1. go over sth. 復習；重溫
An aunt went up him and started to go over Chinese history with him.
一位阿姨開始走向他并對他講述了中國的歷史v&R3|]Mu%Kp&8。

2. on someone's behalf 以某人的名義
My husband can't be here today, so I'm going to speak on his behalf.
我丈夫今天無法到場，就由我代他說兩句OdH+g)za_w。

3. a host of 一大群；許多
I believe that this view is mistaken and that it leads to a host of entirely unnecessary difficulties.
我相信這種看法是錯誤的，還會導致一大堆完全不必要的困難L3Fm#X7zrA+@YQ+TIA=。

4. feel compelled to 覺得必須……
I feel compelled to write and tell you how much I enjoyed your book.
我覺得必須寫信告訴你我有多喜歡你的書bW(M)khrDiW。