I know how you feel, but there's no need to go on and on about it.
我知道你的感受,可是也没必要这样没完没了。
What can't be cured must be endured.
不治之症,必须坚忍。
The hardened professional smuggler, on the other hand, is never troubled by such feelings, even if he has five hundred gold watches hidden in his suitcase.