艰巨

The training corps finished the difficult drill.

训练兵团完成了这的演习。

The general assigned him to do the tough task.

将军派他去完成这的任。

Volunteers are needed for an exacting assignment.

需要志愿者承担任。

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

"告诉我们,你们是样提前完成这一任的。"

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

战后，该国面临着重建家园的任。

He shrank from a hard task.

他害怕的任。