英语语法分析

Why is this nightdress so expensive?

这件睡衣为什么这么贵？

I saw you just now in your nightdress.

我刚才看到你穿着睡衣。

The nightdress has handmade lace round the armholes and neckline.

这件女式睡衣的袖孔和领口都镶着一圈手织花边。