迅雷不及掩耳

xùnléibùjíyǎněr

迅雷不及掩耳 — xùnléibùjíyǎněr

1. extremely rapid; happens so fast that one cannot react in time (literally: 'the thunder arrives before one can cover one's ears')

   那起事故来得迅雷不及掩耳，大家都来不及反应。 nà qǐ shìgù láide xùnléibùjíyǎněr dàjiā dōu láibùjí fǎnyìng — The accident happened so fast that no one had time to react.