艰巨的

The country faces a huge task of national reconstruction following the war.

战后，该国面临着重建家园艰巨。

The general assigned him to do the tough task.

将军派他去项艰巨。

Tell us how you fulfilled the heavy task ahead of schedule.

"告诉我们,你们是怎样前一艰巨。"

He shrank from a hard task.

他害怕艰巨。