gather your wits idiom (also regather your wits)
镇静下来
to make an effort to become calm and think more clearly
I spent the five-minute break between games gathering my wits and rethinking my strategy for the second half. 我利用中场休息的5分钟镇静下来，并重新思考下半场比赛的战术。
She paused to give herself time to regather her wits.