1. I'd like to have a shave.
我想修面。
还能这样说：
I need a shave.
Can you give me a shave?
应用解析：
a close shave 侥幸逃过，九死一生；刮脸刮得很光；
shave off 削去，剔去；
shave through 勉强通过，勉强及格
2. Please be careful not to hurt me.
请小心点，不要伤着我了。
还能这样说：
Please don't make me hurt.
Please be careful that you don't hurt me.
应用解析：
It won't hurt sb. to do sth.
不会有什么伤害或不便
3. I would like you to razor the beard from my face.
我想要你用剃刀把我脸上的胡须刮干净。
还能这样说：
Please lather my chin with your shaver.
Please cut my mustache with the razor.
应用解析：
on a razor's edge 处于危险的境地，处于紧要关头；
as sharp as a razor 机警的，锋利的；
skin a razor 做不可能做的事
4. Shall I give you a moisturizing cream application?
给您敷养颜霜好吗？
还能这样说：
How about some moisturizing cream application?
Do you need some moisturizing cream application?
应用解析：
moisturize skin 滋润肌肤；
moisturize cream 保湿面霜；
moisturize lips 润泽唇部