bitterly

adv. /ˈbɪtərli/ B2

怨恨地；痛苦地；极其

In a way that shows deep anger, hurt, or disappointment.

仙境例句

The Mouse spoke bitterly of the little dog that killed all the rats.

老鼠恨恨地说起那只把大老鼠全咬死的小狗。