她对祖父去世的悲伤是显而易见的。

Her ___sadness at her grandfather's death was obvious.

在孤独中，他被深深的悲伤吞噬。

In his loneliness, he was consumed by a deep ___sadness.

电影的结局给我留下了一种挥之不去的悲伤感。

The movie's ending left me with a lingering feeling of ___sadness.