This dress looks really good ON you.

That dress looks nice on you.

This down coat looks nice on you.

That's a pretty dress.

This dress is very pretty.

I like this T-shirt.

My sweater is too big.

These shoes are too small for me.

I need a new coat for winter.

这些句子可以用来赞美别人的衣服，表达出对服装的欣赏和赞美之情。希望这些句子对你有所帮助!