英语翻译有些事没有亲身经历过永远不会明白~

You can never know something if you have never experienced it by yourself

there's a kind of things which you will never understand without going through by yourself/personally

You will never understand somethings in life unless you have experienced them.

You will never understand unless you ever experience it.

有些事没有亲身经历过永远不会明白
Some things have not personally experienced will never understand.

something is just can't be understood unless you go throught it youself