Let me try this skirt on alone.

让我独自试穿一下这件裙子。

After she had bought a few things, the old woman said, Let me try this comb in your hair; it is so fine it will make it beautifully smooth and glossy.

当她买了几样东西之后，老女人说：“让我在你的头发上试试这个梳子吧；它非常好可以让头发美丽光滑和平顺。”