第1个回答 2009-01-19
Why is it like this? Perhaps you have your own excuse.
(理由在这里不能翻译为reason，应该理解为“解释”excuse，这个词也有理由的意思。)
第2个回答 2009-01-18
Why, you may have your own reasons本回答被提问者采纳
第3个回答 2009-01-18
You may have your own reason, but why?
第4个回答 2009-01-19
Why, you may have their own reasons.
参考资料：来自谷歌金山词霸，保证准确无误