Translation of "Knocks" in Chinese

When poverty knocks at your frontdoor, loves escapes through the backdoor.

當貧困敲前門，愛就從後門逃跑。

I'd send my kid out on his own for a while if I were you. A few hard knocks at this point might do him some good.

換了是我，就會要孩子自己一個人去遊歷一下。他現在這個年紀，吃一點苦是好的。