We must be quick. There is little time left.

我们必须快些，剩的时间不多了。

youdao

We must be quick or we will be late for class.

我们必须快点了，否则上课要迟到了。

youdao

We must be quick or we will be late for class.

我们必须快点了，否则上课要迟到了。

youdao