查询词典 assist sb. with sth.

Be glad for/ to do sth.

高兴的去做某事。

The collocation "be glued to sth."

这个家伙很懒，什么也没留下。。。。。。

Not / be good at sth.

不/ 擅长做某事

Be good / poor at doing sth.

擅长做某事/不擅长做某事

Language Points *know one's stuff/onions be good at doing sth.

露一手吧！你是我们中间唯一能讲德语的人。

C be good at doing sth.

擅长做某事。

To ace=be good at sth eg.you are an ace at taking test.

在这里ace是名词

Exercising every day is good for our health.4 be good at sth./ doing 擅长……Are you good at painting?

在实际的运用中，很多同学容易写成形容词 good ，这是一定不能犯的错误。

Be not good at sth.

在不好/差

1 Be good at sth.

"擅长某事""对某事在行"

A welder's kit contains electrode holder, welding torch, helmet shield, portable electrode heating box and temperature measuring pen.

一名焊工的成套工具包括焊钳、焊炬、面罩、手提式焊条加热箱和测温笔。

The notorious Zhao Gao was so shameless that he had the impudence to point at a deer and call it a horse.

臭名昭著的赵高恬不知耻，竟厚着脸皮指鹿为马。