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.

合理规划能够杜绝城市交通拥堵。

Hélǐ guīhuà nénggòu dùjué chéngshì jiāotōng yōngdǔ.

Proper planning can eliminate traffic congestion in cities.