They fought back heroically.是什么意思？

They fought back heroically.

他们英勇反击.

they

pron. 他/她/它们，人们，大家，政府，当局，她们；

例句
The storms had abated by the time they rounded Cape Horn.
他们绕过合恩角时，暴风雨已经减弱。

fought

v. 战斗( fight的过去式和过去分词 )，斗争，打架，吵架；

例句
The team fought hard and gave a good account of themselves.
这支队伍奋力拼搏，表现出色。

back

n. 背，背部，背面，反面，后面，后部，（椅子等的）靠

例句
He looked back at the abject, silent girl and repeated his question.
他转过头看着这个噤若寒蝉的女孩，又重复了一遍他的问题。

heroically

adv. 英雄地，超人地，冒险地，庞大地；

例句
Single parents cope heroically in doing the job of two people.
单身父母扮演双亲的角色非常辛苦。