老师消极的反馈让他感到沮丧。

The teacher's ___discouraging feedback made him feel frustrated.

收到这么多拒信真是让人泄气。

Getting so many rejection letters is really ___discouraging.

家长们正在劝阻孩子们吃太多糖果。

Parents are ___discouraging their children from eating too much candy.