Daily Chinese Idiom Guessing Game
Describes someone who acts vigorously and swiftly, with great efficiency.
厉猛烈。象雷那样猛烈，象风那样快。比喻执行政策法令严厉迅速。也形容办事声势猛烈，行动迅速。
唐·韩愈《潮州刺史谢上表》陛下即位以来，躬亲听断，旋乾转坤；关机阖开，雷厉风行。”
The new manager is known for his 雷厉风行 approach, implementing changes immediately.