示例
A：Why torture yourself?
B：Well, I don't know what else I can do.
A：你这是何苦呢？
B：哎，我也是没有办法了。
A：It doesn't matter. Thanks!
B：Why torture yourself? I cannot understand.
A：没事的，谢谢！
B：你这是何苦呢？我不理解。