1.What do you laugh at, you will be very sad.
你笑什么，明明就难过得要死。
2.How hard to forget you, how to smile can hide sadness.
要怎么努力才可以忘记你，要怎么微笑才可以掩饰悲伤。
3.Only to find that, originally from beginning to end of my, is just one person.
才发现，原来自始至终的我，都只是一个人。

4.For a moment, I really thought you liked me.
有那么一瞬间，我真的以为你喜欢我。
5.If you don't tell me the truth, how can I take a big risk for you.
你不说真心话，你要我怎么为你大冒险。