deeply distressed

• 十分痛心地说

  say with much grief

• 感到莫大的痛心

  feel terrible distress

• 对自己的错误感到痛心

  feel deeply distressed about one's mistakes

• 最可痛心的是...

  is the most harrowing

• 使人痛心

  be deeply distressing

• 令人痛心的景象

  harrowing scene

• 看了使人痛心

  be painful to watch