重点讲解：
1. pack up
打点（行装）；
例句：I'll be packing up my thing then.
那时候我在收拾行李s,_W]6iPXoc]dmz2*。
例句：He was told to pack up all of his letters and personal belongings.
他被告知收拾好自己所有的信件和私人物品Xz)RgXUSc-。
2. in charge of
主管；全面负责；统领；
例句：He's the chief, in charge of the whole show.
他是主管，负责全盘工作_]3aCTu[D*8CgmiBp2R。
例句：Pilfering has stopped entirely since they put Angus in charge of the stores.
自从他们让安格斯掌管商店以来，小偷小摸就杜绝了(jNdSFZ_SwSUbH。
3. tons of
大量的，很多的；
例句：The movie star received tons of fan mail.
那位影星收到了许许多多影迷的来信i6|1A!8|b|1n&opEs。
例句：There's always tons of scrap paper in Dad's office.
爸爸的办公室里总有大量的废纸K-9Dl&WUt+)PJO7Y9#k。