I've tried, but I start laughing.

我试过了，但我此嗤之以鼻。

youdao

I don't know why I'm laughing, but also puts a smile on the face, the other people start to ask, I have made no secret of his own happiness.

我也不知道为什么会笑，却也是把笑容挂在脸上，别人问起，我也毫不掩饰自己的快乐。

youdao

I don't know why I'm laughing, but also puts a smile on the face, the other people start to ask, I have made no secret of his own happiness.

我也不知道为什么会笑，却也是把笑容挂在脸上，别人问起，我也毫不掩饰自己的快乐。

youdao