費fai3心sam1

English

1. to take a lot of trouble (over sb or sth)
2. may I trouble you (to do sth)

Examples

• 毫無希望，白費心思。

  Here goes nothing.

  Tatoeba · Martha CC BY

• 女王为公爵夫人费心做了很多。

  The Queen has gone to a lot of trouble for the Duchess.

  Tatoeba · eastasiastudent CC BY