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。
