下去的英文：
go down
go on

参考例句：

go - ging along in penury
在贫困中挣扎下去

Can the good weather hold?
好天气能持续下去吗？

There is no necessity to wait any longer.
没有再等下去的必要了。

(of a vehicle,boat,etc)stop in order to allow sb to get off
(指车船等)停住让某人下去

The woodwork of the window frames is perishing.
窗户的木框在烂下去。

Day by day the disappointed lover peaked and pined.
这失恋的人一天天地憔悴下去。

That explained the sudden silence.
这就是这里突然寂静下去的原因。

The president rang his bell, and with warmth resumed.
庭长摇铃要求安静，然后激动地讲了下去。

Your new-found enthusiasm for running will soon fade away
你对跑步又产生的热情会很快淡薄下去的。

The breath ebbed from him almost imperceptibly
呼吸几乎是不知不觉地从他喉咙里微弱下去。

down是什么意思：
prep. 在…下，沿着
v. 下降，打倒
n. 潦倒；羽绒；丘陵

Down with hegemonism!
打倒霸权主义！

The sun is down.
太阳下山了。

Close down autos and you close down steel and rubber.
关掉了汽车工业你也就关掉了钢铁工业和橡胶工业。

nail down; nail in;hold by
钉住;使人遵守诺言

break down resistance
粉碎反抗，制服反抗