Zip up your jacket, it's cold out.

拉上夹克拉锁，外面冷。

Zip up your coat before going out.

出去前先把你的上衣拉链拉上。

Zip up your jacket; it's cold out.

把你的夹克衫的拉链拉上，天气冷了。

My jeans wouldn't zip up.

我的牛仔裤拉不上了。

Zip up your top, please.

把上衣拉链拉上。