Or, he's a crackup, he's mentally ill.

或者，他是一个精神崩溃者，他患有精神病。

There's no sympathy for the illness when you call someone a crackup.

当你用" crackup这个词来称呼某人时，表示你对他的疾病丝毫没有同情心。

Now, when you use it as a noun, " He's a crackup" , it's more harsh than saying someone is mentally ill.

当你用它作为名词时，" 他是一个精神崩溃者" ，这比说他患有精神疾病更严重。