You have my word.

我保证。

Time is running out.

没时间了。

How could she possibly ace it when she keeps cutting class all the time?

她老是缺课，怎么能考100分？

What about having a pizza first?

先吃点比萨饼怎么样？

The play may begin at any moment.

戏随时都有可能开始。

None of us is afraid of difficulties.

我们当中没有一个人害怕困难。