7.where are you going?

你去那？

还可以说成：

where you going？

8.How is your vacation?

假期怎么样啊?

还可说成：

How is your holliday?

How about your hollidays?

9.Hey, we meet again.

嗨，我们又见面了?

还可说成：

Hey, it's very nice to see you again.

Hey, glad to see you again.

10.Long time no see.

好久不见了。

还可说成：

It's been a long time since we met last time.

Havn't seen you for a long time.

谚语：

All time is no time when it is past.

光阴一去不复返。

11.What a coincidence!

真巧啊!

还可说成：

What a coincidence to meet you here.

What a lucky chance to see you here!

应用解析：

by coincidence 碰巧，由于巧合;a mere coincidence 巧合;accidental cincidence 偶然重合

12.You are still the same.

你一点都没变。

还可说成：

You havn't changed a bit.

You've changed little.

谚语：

Those in the same boat should row together.

同舟共济。