to be aimed at

• 针对提出的问题发表意见

  express views on issues raised

• 针对缺点进行批评

  criticize shortcomings

• 针对阴谋进行反击

  foil a plot

• 这就是针对你们的批评。

  This is directed against your criticism.

• 假如你这是针对我说的，那是白费劲。

  If that is aimed at what I said, then it's of no use.