那个垃圾桶里的食物残渣散发出了最难闻的气味。

The food scraps in that trash can produced the ___nastiest odor I've ever smelled.

他在会议上说了些最恶毒的话来攻击竞争对手。

He made the ___nastiest comments about his competitor during the meeting.

这是我这周遇到的最棘手的客户投诉。

This is the ___nastiest customer complaint I've dealt with this week.