3 sentences

1. 这件旗袍的袖口镶了金边。

   zhè jiàn qí​páo de xiù​kǒu xiāng le jīn​biān.

   The cuffs of this cheongsam are trimmed with gold.

   Source: Dong Chinese Dictionary

2. 他的衣服袖口裂开了一个破绽。

   tā de yī​fu xiù​kǒu liè​kāi le yī gè pò​zhàn.

   The cuff of his sleeve has a tear in it.

   Source: Dong Chinese Dictionary

3. 由于长期磨蹭，这件衣服的袖口已经破了。

   yóu​yú cháng​qī mó​ceng, zhè jiàn yī​fu de xiù​kǒu yǐ​jīng pò le.

   Due to constant friction, the cuffs of this garment are worn through.

   Source: Dong Chinese Dictionary