9. I consider plastic surgery as a waste of money.
我认为做整容手术就是浪费钱。
还能这样说：
I think it is a waste of money to get a plastic surgery.
To me, a plastic surgery is just a waste of money.
应用解析：
go/run to waste 浪费
例如：I feel sorry to see all that food go to waste.
那么多食物都被浪费了，看着觉得可惜。
10. Her nose was uglier after an unsuccessful plastic surgery.
做了一次不成功的整容手术后，她的鼻子更难看了。
还能这样说：
The unsuccessful plastic surgery made her nose uglier.
The plastic surgery made her nose uglier than before.
谚语：
The ugly duckling has grown into a swan.
女大十八变。
11. You are not permitted to eat spicy food after the cosmetic operation.
整容手术后你不能吃辛辣食物。
还能这样说：
You are forbidden to eat hot food after the cosmetic operation.
You are not allowed to have spicy food after the plastic surgery.
应用解析：
spicy criticism 辛辣的批评;
a spicy magazine 淫秽下流的杂志;
a spicy joke 下流笑话
12. How much is it to have a cosmetic operation?
做整容手术要花多少钱?
还能这样说：
How much does it charge for a cosmetic operation?
How much will it take to have a cosmetic operation?
应用解析：
cosmetic concessions 摆样子的让步;
cosmetic cream 美容霜;
emulsion cosmetic 乳液化妆品