how

• 这如何能行！

  How's that going to work?!

• 近况如何？

  How are things?

• 不知如何是好

  not know what to do

• 他是如何知道的？

  How did he find out?

• 此事如何办理？

  How should this be handled?

• 你以为如何？

  What do you think?

• 你的意见如何？

  What's your opinion?

• 结果如何很难说。

  It's hard to say how things will turn out.