Do you mind if I try this on?
你介意我试穿这件吗?
The changing rooms are over there.
试衣间在那边。
It's a little tight.
有一点紧。
It's not such a good fit.
不是很合身。
Can I try the next size up?
我可以试大一号的吗?
I'm not so sure about the color.
我不确定我是不是喜欢这个颜色。
It doesn't go with your skirt.
这个跟你的裙子不配。
I think the color itself is fine.
我觉得这颜色本身是不错的。