重点讲解：
1. hand in
上交（作业、拾到的失物等）；提出，递交（辞呈）；
eg. I'm supposed to have handed in a first draft of my dissertation.
我本该把论文的初稿交上去了。
eg. I handed my notice in on Saturday.
我周六递交了辞职信。
2. get in the habit of doing sth.
养成…的习惯；习惯于；
eg. I got in the habit of calling in on Gloria on my way home from work.
我习惯于在下班回家的路上顺便探望格洛丽亚。
eg. Get in the habit of saving regularly.
要养成定期储蓄的习惯。
3. get around
规避，避开（法律或规章）；
eg. Although tobacco ads are prohibited, companies get around the ban by sponsoring music shows.
虽然严禁为烟草做广告，但一些烟草公司却通过赞助音乐会来打擦边球。
eg. It's wrong of you to get around the regulation.
你存心规避规章制度是不对的
