saddest
adj. 悲伤的（sad 的最高级）
例句
This is the saddest thing I've ever heard.
这是我曾听过最悲伤的事情。
He would laugh the loudest over fun and be the saddest over anyone's misfortune.
他为欢乐而放声大笑，为任何人的不幸而极度悲伤。
She was singing the saddest lullaby he had ever heard.
她唱着他曾听到的最悲哀的催眠曲。
