n.活動(dòng)過(guò)度；極度活躍

Since Mr Sarkozy is known for his hyperactivity, nobody doubts that he will move fast. 既然薩爾科齊先生因極度活躍而眾所周知，沒(méi)有人懷疑他會(huì)很快有所動(dòng)作。

Given the effects of cocaine on people, hyperactivity may seem like a fairly obvious reaction. 我們已經(jīng)知道，人若是服用了可卡因，最明顯的表現(xiàn)可能是極度活躍。