sadden|saddened|saddens

持续的批评甚至开始让最乐观的团队成员感到悲伤。

The constant criticism began to ___sadden even the most optimistic team members.

他的去世让我们感到悲伤。

We were ___saddened by his death.

没有什么比一个父亲送他的儿子去法学院更让我悲伤的了。

Nothing ___saddens me more than a father sending his son to the School of Law.