an idea occur to sb 某人突然想到一个主意

occur to sb 使某人突然想到 ; 使某人想起 ; 浮现与脑中 ; 被某人想到

sth occur to sb 某人突然想起某件事

It occur to sb that 某人想起了

a suggestion occur to sb 某人蓦地想到一个主意

a perception occur to sb 某人遽然想到一个主意