连续不断的坏消息开始让整个团队士气低落。

The constant bad news started to ___demoralize the entire team.

连续几天的失败严重挫伤了团队的士气。

Several days of failures seriously ___demoralized the team.

连续失败让他彻底失去了斗志。

The constant failures completely ___demoralized him.