万分感谢..帮忙翻译以下句子..(中译英)在线等阿..

我不知我应该为自己还是别人感到悲哀.
I don't know whether I should be upset for myself or anyone else.
身边的人都分不清我何时是认真何时是嬉戏.
Eveyone along side with me would never known when I was serious and when I was joking.

i don't know whether to feel sorry for myself or others.
my company can't tell when i am serious apart from when i just kid.

第一位回答的好~!~