Heidi looked enraptured at the grandmother's face, which had changed from an old, sorrowful expression to a joyous one.

海蒂喜出望外地看着奶奶的脸，她从前悲伤的表情变成了快乐的表情。

youdao

His father's face looked suddenly soft and sorrowful.

他父亲的面容忽然变得温柔而悲伤。

《柯林斯英汉双解大词典》

Some people face the pain, the mood only then are sorrowful, the world lost the brilliance as if, the life has lost the existence significance.

有人面对痛苦，心情只有悲哀，仿佛世界失去光彩，生命失去了存在的意义。

youdao

The text has been sliced and pared, and what remains is intimate and sorrowful, as if the characters knew from the start what manner of tribulation they would face.

NEWYORKER: The Merchant of Venice