sorrowful

• 悲痛的消息

  sad news

• 悲痛的教训

  painful lesson

• 悲痛万分

  extremely sad

• 悲痛成疾

  be so sad as to become ill

• 个个含着眼泪, 心里无限悲痛。

  Everyone was in tears, with extremely sorrowful hearts.

• 化悲痛为力量

  turn grief to strength