Search the dictionary A Chinese word or character, or English Draw a character Search 2 entries. sàixiānsheng 赛先生 "Mr Science", phrase used during the May 4th Movement 五四運動|五四运动[Wu3 si4 Yun4 dong4] sàixiānsheng 賽先生 "Mr Science", phrase used during the May 4th Movement 五四運動|五四运动[Wu3 si4 Yun4 dong4]