Bitterly painful不堪回首
bitterly disappointed透心凉;苦涩的失望;心寒;深感失望
bitterly cold刺骨地寒冷;严寒;刺骨地冷;寒风
Crying Bitterly狠狠哭
envy bitterly辛酸地忌妒
rail bitterly难以接受地责骂
open bitterly充满仇恨地打开
Somewhat Bitterly有点伤心
ADV（副词） You use bitterly when you are describing an attitude which involves strong, unpleasant emotions such as anger or dislike. 强烈地 [ADV adj]
We are bitterly upset at what has happened.
我们对发生的事感到极其难过。