拉链

wǒ dǎ bù kāi shū bāo yīn wèi lā liàn kǎ zhù le

我打不开书包，因为拉链卡住了。

I can't open my schoolbag because the zipper is stuck.

wǒ qún zi shang de lā liàn huài le

我裙子上的拉链坏了。

The zip on my skirt has broken.

nǐ kě yǐ bāng wǒ bǎ lā liàn lā shang ma

你可以帮我把拉链拉上吗？

Can you zip it up for me?

lā kāi lā liàn

拉开拉链

pull down a zip