Hum the first bars and see if it jogs my memory.哼一哼开头几个小节, 看我能不能想起来。

Police have planned a reconstruction of the crime tomorrow in the hope this will jog the memory of passers-by.警察已经计划在明天重构这起犯罪的现场, 希望能够唤起过路人的记忆。