查询词典 have trouble doing sth.

Keep sb. from doing sth.: stop sb. from doing sth.

阻止某人做某事，防止某人做某事

Stop/prevent sb doing sth =keep sb from doing sth.

阻止某人做某事，只是后面一个句子中的from 不可以省略。

Prohibit sb. from doing sth.=prohibit sb.'s doing sth.

禁止某人做某事，条件不允许某做某事

Spend doing sth. 25. see sb. doing sth.

看见某人在做某事 26。

W.w.w.k.s.5.u.c.o.m begin doing/to do begin / start to do sth begin / start doing sth.

1谈及一项长期活动或开始一种习惯时，使用

Begin/ start to do begin/ start doing begin / start to do sth begin / start doing sth.

昨天我看见他在花园里干活了。

W.w.w.k.s.5.u.c.o.m begin begin doing/to do begin / start to do sth begin / start doing sth.

1谈及一项长期活动或开始一种习惯时，使用

Stop sb. from doing sth.和prevent sb. from doing sth.

阻止某人做某事 nQP汕尾全程教育网

There is no point doing sth.; there is no use doing sth.

做…毫无意义e.g。

Increase sth.; add to sth.; help to cause sth.

增加；添加到；促成

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。