希望对方保守秘密，怎么说呢？

Don't let it out of this room.

不要泄露出去
You won't tell a soul, right?
你不会泄露的，对吧
Take it to your grave.
把它带进坟墓。
I won't tell a soul.
我不跟任何人说的。
You can trust me.
我不跟任何人说的。

Appendicitis
盲肠炎
Appendix
盲肠
Piles(removing piles)
痔疮
An operation for piles
痔疮手术

Have a big mouth
说大话
Bigmouth= gossipmonger
多嘴多舌的人
She's a gossipmonger.
她是个爱说闲话的人。

各种手术名称
LASIK surgery
激光近视矫正手术
Plastic surgery
整形手术
Cosmetic surgery
整容手术
Face lift，nip and tuck
脸部整形
Nose job
鼻子整形
Double-eyelid surgery
双眼皮手术
Lipo suction
抽脂手术
A tooth extraction operation
拔牙
Circumcise
包皮手术