求翻译：有些话真的说不清，有些事真解释不清。有些话真的不能乱说，有些事真的不能乱作。不然到最后，难过的只有自己。是什么意思？

Some words really can not tell, some things that really explain clearly. Some words really can not blab, some things just can't be. Or to the last, sad only themselves.