办法

In a sentence

• 他总能找到解决问题的办法。

  He always finds ways to solve problems.

  Here, '办法' is used to mean 'a way or method' to address or solve an issue.

• 你有什么好办法可以提高工作效率吗？

  Do you have any good methods to improve work efficiency?

  Here, '办法' refers to 'a practical way or means' to achieve a desirable result.

• 这真是个难题，我暂时没有办法。

  This is indeed a difficult problem; I currently have no solution.

  In this sentence, '办法' is used in the context of not having 'means or solutions' to deal with a situation.