英语翻译为什么翻译为强壮的肺?

（转自百度RH贴吧 BY闭眼瞧世界） My Iron Lung 我强壮的肺 Faith,you're driving me away 信念,驱使我远行 You do it everyday 每时每刻 You don't mean it 可没有方向 But it hurts like hell 却置你于炼狱之中 My brain says I'm receiving pain 本能告诉我这痛苦不堪 A lack of oxygen From my life support 如同窒息的生命 My iron lung 我强壮的肺啊 We're too young to fall asleep 我们因年少而夜不能寐 To cynical to speak 有太多的愤慨与怨言 We are losing it 我们丧失了信念 Can't you tell?你可否解开我的困惑?We scratch our eternal itch 我们开始牢骚满腹 A twentieth century bitch 如同世俗的怨妇一般 And we are grateful for Our iron lung 这要感谢我们有一个强壮的肺 The headshrinkers,they want everything 心理医生,人们渴望了解这个世界 My uncle Bill,my Belisha beacon 我的Bill叔叔,我的人生抉择 The headshrinkers,they want everything 心理医生,人们渴望了解自我 My uncle Bill,my Belisha beacon 我的Bill叔叔,我生活的意义 Suck,suck your teenage thumb 嘬吧,嘬你稚嫩的拇指 Toilet trained and dumb 学守规矩学会沉默 When the power runs out 当你义愤填膺的时候 We'll just hum 我只是轻声的哼唱 This,this is our new song 听,这是我们新的挽歌 Just like the last one 发出我们最后的声音 A total waste of time 纪念我们虚度的生命 My iron lung 我强壮的肺啊 The headshrinkers,they want everything 心理医生,人们渴望了解这个世界 My uncle Bill,my Belisha beacon 我的Bill叔叔,我的人生抉择 The headshrinkers,they want everything 心理医生,人们渴望了解自我 My uncle Bill,my Belisha beacon 我的Bill叔叔,我生活的意义 And if you're frightened 如果你害怕了 You can be frightened 不必担心 You can be,it's OK 随它去吧,那很正常 And if you're frightened 如果你害怕了 You can be frightened 不必担心 You can be,it's OK 随它去吧,那很正常 The headshrinkers,they want everything 心理医生,人们渴望了解这个世界 My uncle Bill,my Belisha beacon 我的Bill叔叔,我的人生抉择