2.start off 首先
She started off by accusing him of blackmail but he more or less ignored her.
她先是指控他勒索，但他几乎不理睬她。
3.work out 解决
Negotiators are due to meet later today to work out a compromise.
谈判人员定于今天晚些时候进行会谈，商定一个折中方案。
4.write down 写下
On the morning before starting the fast, write down your starting weight.
早晨开始禁食前，记下你的体重。
5.keep track 跟踪
Police keep track of the kidnapper using electronic surveillance equipment.
警方利用电子监视设备跟踪绑架者。
