查询词典 have trouble in doing sth

Be used to sth./ doing sth.

习惯于做某事

Be used to do sth./be used for doing sth.

被用于做某事

Be used to do sth.和 be used for doing sth.

都可以表示"被用来做某事"。

Be used for doing sth.或be used to do sth.

是固定词组，意思是用来做某事。

Be used to do sth = be used for doing sth.

被用来做

Sth. be worth +doing sth.

智者的回答是对的。

Begin to do sth / begin doing sth.

开始做某事

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

a 谈及一项长期活动或开始一种习惯时。

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

你几岁时开始弹钢琴？

11 Begin doingto do begin start to do sth begin start doing sth.

谈及一项长期活动或开始一种习惯时，使用

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。