1、get down

使沮丧；使忧郁

At times when my work gets me down, I like to fantasize about being a farmer.

有时当工作让我沮丧时，我喜欢幻想自己是一个农场主。

俯身；跪下；趴下

She got down on her hands and knees on the floor.

她双手撑地跪在地上。

Get down! she yelled. Somebody's shooting!

趴下！她大声喊道，有人开枪！

写下；记下

The idea has been going around in my head for quite a while and now I am getting it down on paper.

这个想法在我脑海里萦绕许久了，我现在就将它写在纸上。

2、go down

（价格、水平或数量）下降，下跌

Income from sales tax went down.

来自销售税的收入下降了。

Crime has gone down 70 percent.

犯罪率下降了70%。

引起…反响；得到…回应

Solicitors advised their clients that a tidy look went down well with the magistrates.

律师告诫当事人穿戴整洁会赢得地方法官的好感。

（计算机）出故障

The main computers went down for 30 minutes.

这几台主要的电脑有30分钟没能正常运行。