有这样的用法,.表示掠过,闪过.的心头.flash upon
（思想、意念、回忆等）闪现心头,掠过心头,忽然想起;
One evening mr toots was sitting at his desk,oppressed by correspondence,when a great purpose seemed to flash upon him.
有一天晚上,图茨先生正坐在他的书桌前面,被书信弄得很累,这时他似乎突然想到一个很大的主意.