I want to check my e-mail.

我想看看我的电子邮件。

A: Hi!  I'll just be a few moments.  I want to check my e-mail.

A: 嗨！我只用一会。我想看看我的电子邮件。

B: No problem. I want to check mine too.

B: 没问题。我也想看看我的。

A: I hate it when you get a lot of junk mails.

A: 有那么多的垃圾邮件真令我讨厌。

B: Me too.  It's such a waste of time.

B: 我也是。这浪费了很多时间。

A: I'm expecting an e-mail from my friend and I want to reply.

A: 我在等我朋友的邮件，我想回复邮件。

B: No problem.  I've got a few quick e-mails I need to send anyway.

B: 没问题。我也有几封需要尽快发送的邮件。

1. Remember the possessive words mine / mine; yours / yours; theirs / theirs, e.g. I want to check mine too / I want to check mine too; That coffee is yours, this one is mine / That coffee is yours, this one is mine.
记住形容词所有格mine /我的； yours / 你的； theirs / 他们的, 例如 I want to check mine too /我也想看看我的；That coffee is yours, this one is mine /那杯咖啡是你的，这杯是我的。

2.  We talk about junk mail / junk mail to describe either unwanted e-mails which you receive or unwanted letters.
我们用 junk mail/垃圾邮件来描述那些你接到的，然而是你不需要的电子邮件或者信件。

3. A waste of time / a waste of time, e.g. There are no taxis – it's a waste of time standing in the rain / There are no taxis – it's a waste of time standing in the rain.
A waste of time /浪费时间。例如There are no taxis – it's a waste of time standing in the rain /没有出租车——在雨中站着是浪费时间。