我们盘算着今年冬天是否去滑雪。

We're debating whether or not to go skiing this winter.

问题是，他对局势是否了解。

The question arises as to whether or not he knew of the situation.

他们问我是否会主持委员会会议。

They asked if I would preside at the committee meeting.

你的律师可以告诉你是否起诉。

Your lawyer can advise you whether to take any action.

他们对是否实行改革表示审慎的乐观。

They are cautiously optimistic that the reforms will take place.

我们正设法评估这个系统运行得是否顺畅。

We are trying to assess how well the system works.

只有时间才能证明这种疗法是否成功。

Only time will tell if the treatment has been successful.

我只是想知道是否一切都好。

I just wanted to know if everything was all right.

所有的飞机都在接受检查，看是否可能有裂纹和腐蚀现象。

All planes are being inspected for possible cracking and corrosion.

上大学是否为你的事业打下了良好基础？

Was going to college a good preparation for your career?

问一下你为什么要离开不知是否唐突？

Would it be impertinent to ask why you're leaving?

这种疗法是否安全争论很大。

There is considerable disagreement over the safety of the treatment.

科学和宗教信仰之间是否永远存在着冲突？

Is there always a conflict between science and religion?