You don't keep back not because I'm afraid.It's because I ca

You don't keep back not because I'm afraid.It's because I can if I only want to!神
You don't keep back not because I'm afraid.It's because I can if I only want to!如果可以的话也请讲一下语法.一定要是很通顺的意思,不要金山快译的翻译的那种.
Sometimes you gain when you lose,you gain from losing。You don't keep back not because I'm afraid.It's because I can if I only want to!这是全文。