He had an almost uncontrollable impulse to stand up and do one of his routines dazzle them show them what real talent looked like .

他差点 控制 不 住自己的 冲动，想要站起身来露一手，叫他们眼花缭乱，见识见识真正的天才到底是怎么回事。

An uncontrollable impulse to start fires .

放火 狂一种想要放火的 不能 控制 的 冲动。