invulnerability
n. 刀枪不入,不会受伤害
例句
They have a sense of invulnerability to disease.
他们感觉不会受到疾病的伤害。
《柯林斯英汉双解大词典》
There's a sense of invulnerability when you're making a movie.
当你拍电影的时候,你会觉得自己是刀枪不入的。
You think I'm invulnerability, I thought you poison not assault.
你以为我刀枪不入,我以为你百毒不侵。——徐志摩。