A：It's said that the goverment will clamp down on the new policy.
據(jù)說政府呀取締那項新政策了。
B：Are you sure of that?
你干肯定嗎?
A：I am not certain about that.
我也不確信這個消息。
B：They may have some difficulty in doing it.
政府那么做可能很困難。
注釋:
1.clamp down on：嚴(yán)格限制，取締
2.be certain about：對......有把握，對......確信無疑
3.be sure of：對......肯定
4.have some difficulty in doing something：做某事有一定的難度