我们要杜绝浪费粮食的行为。

Wǒmen yào dùjué làngfèi liángshí de xíngwéi.

We should eliminate the behavior of wasting food.

学校采取措施杜绝作弊行为。

Xuéxiào cǎiqǔ cuòshī dùjué zuòbì xíngwéi.

The school takes measures to eliminate cheating.

政府要加强监管，杜绝腐败。

Zhèngfǔ yào jiāqiáng jiānguǎn, dùjué fǔbài.

The government needs to strengthen supervision to eliminate corruption.