1 [I,T] regroup (sth) (for sth) to arrange the way people or soldiers work together in a new way, especially in order to continue fighting or attacking sb 重组；重新编组: They regrouped their forces and renewed the attack. 他们重新聚集兵力，再次发动进攻。 After its election defeat, the party needs to regroup. 选举失败后，该党需要重组。

2 [I] (used about a person) to return to a normal state after an unpleasant experience or a period of difficulty, and become ready to make an effort again with new enthusiasm or strength ﹙人在经历不幸或困难后﹚恢复元气: Summer is a time to relax, regroup and catch up on all those things you've been putting off all year. 你可以利用夏天放松自己、恢复元气以及做你一年来一直拖着未干的所有事情。