How long have you been doing...?

你做....多久了？

How long have you been learning English?

你学英语多久了？

How long have you been reading the book?

你读书读多久了？

make/earn money

赚钱

be good at sth/doing sth

擅长做..

I'm good at speaking English.

我擅长英语。

A: How long have you been watching T.V.?

你看电视多久了？

B: About 10 hours.

大概十个小时。

A: You need to get a job!

你需要找份工作。

B: Why? You and dad make so much money.

为什么？你和爸爸赚了好多钱。

A: You can't just sit around all day.

你不能每天这样坐着。

B: But I'm not good at anything.

但是我没有擅长的东西。

A: Everyone is good at something.

每个人都有自己擅长的。

B: Well, I'm good at watching T.V.

恩，我擅长看电视。

A: Why don't you become a T.V. critic?

你为什么不成为一个电视评论家？

B: I would love to watch T.V. and write great reviews!

我喜欢看电视，写出很棒的评论。

A: See? You are good at something.

看，你还是擅长某些事情的。

B: Thanks, Mom. I'll start looking for jobs now.

谢谢，妈妈。我现在开始找工作。