adv.殘酷地；痛苦地
It is bitterly cold today. 今天冷得很。
At the end of the film, the hero wept bitterly. 在影片的結(jié)尾，主人公傷心地哭了。
Illness pursued him till his death,which made us all bitterly painful. 疾病一直糾纏著他，直到他去世，這使我們大家痛苦極了。
