1、sit down，坐下；例：Hughes beckoned him to sit down on a sofa.休斯示意他坐在沙發上。
2、put down，放下，記下，估計，鎮壓；例：Soldiers went in to put down a rebellion.軍隊出動鎮壓叛亂。
3、write down，寫下，記下，視爲，貶低；例：On the morning before starting the fast,write down your starting weight.早晨開始禁食前，記下你的體重。
4、go down，停止，被接受，沉下，被打敗；例：I went down on my knees and prayed for guidance.我跪了下來，祈求得到指引。
5、break down，失敗，劃分，損壞，衰弱下來；例：Their car broke down.他們的車子出故障了。
