and this is karl. he’s from frankfurt.

　　这是卡尔。他从法兰克福来。

　　a i’ve got another friend coming in about 10 minutes. he’s coming direct from work, but he’ll be here soon.

　　a 10分钟以后我还有一个朋友要来。他下班以后直接过来，但是他很快就会到了。

　　b who is he have we met him before

　　b 他是谁？我们以前见过他吗？

　　a no, i don’t think so. he’s someone who works with me. a german guy.

　　a 不，我想你们没见过。他是我的同事。一个德国人。

　　b it’s always good to meet your friends.

　　b 见到你的朋友总是很高兴。

　　a look, here he is ╟ he’s early. let me introduce him. this is karl. he’s from frankfurt.

　　a 看，他来了——他早到了。让我来介绍他。这是卡尔。他从法兰克福来。

　　notes 注释

　　if you are not sure and want to check if you’ve already done something, or met someone, or been somewhere, you can say: have we met him before / have we met him before : have we been to that restaurant before / have we been to that restaurant before

　　如果你对是否做过某事、见过某人或者去过某地不肯定，而你想确定一下，你可以说：have we met him before /我们以前见过他吗？have we been to that restaurant before / 我们以前去过那家餐馆吗？