Zip it./Zip your mouth.
闭嘴

(英式) zip 名词，拉链
(美式) zipper 名词：拉链；zip 动词：拉拉链的动作
Your fly is open.／ Zip up your fly!
你裤拉链忘记拉啦！

zip：快速移动，飞速移动。
The craft zipped across the bay.
这船飞速驶过海湾。
也可以是：
That car is really zippy.
There was a loud zip when the bird flew by.
You're such a zippy learner!

zip: zero/nothing
You don't know zip！
How much cash do you have?
Zip.
We beat them 10 to zip.

to zip files: 打包，压缩文件

The food in Changsha has a certain zip to it.
长沙的食物很辛辣刺激。

zip code 邮政编码
What's the zip code?
邮政编码是多少？

And now it's time to zip this podcast up.
我们要结束今天的节目啦。
A thumbs-up can really give me some zip!
给我们点赞鼓励，我们会有更多热情给大家做的更好。