1. sign up

签约雇用，签约参加，注册

eg. If you feel strongly enough about it that you want to sign up, copy it.

如果你对其有足够强烈的感觉，以至于想要签署它，那么就复制它。

eg. Japan, Russia and Canada are refusing to sign up to further commitments under Kyoto.

日本、俄罗斯和加拿大拒绝根据《京都》签署进一步承诺协议。

2. make friend

交朋友；建立友谊

eg. My English grammar is poor. I hope make friend with you , thanks.

我的英语语法不太好，希望我们能成为好朋友。

eg. Although sometimes some supercilious , I like knot to make friend very and get along well with them.

虽然有时有些高傲，但我十分喜欢结交朋友并与他们打成一片。

3. Take a look! （口语）

看一下！