把釘牢;講明白,說清楚,使人明白
drive home v 1: carry out or perform; "deliver an attack", "deliver a blow"; "The boxer drove home a solid left" [syn: {deliver}] 2: make clear by special emphasis and try to convince somebody of something; "drive home a point or an argument"; "I'm trying to drive home these basic ideas" [syn: {ram home}, {press home}]