In today's video, you will learn how to use these three Chinese words "按时(àn shí)" "及时(jí shí)" "准时(zhǔn shí)".
Among these three words are connected with time and almost the same in the part of speech and usage. But they still differ in some detailed aspects, which we will analyze in the following.
按时：usually used as adv. ”按” means “according to”, so “按时” expresses according to the schedule time and stresses the regularity.
及时：“及”here means “while”, “及时” stressing do something without delay, used as adv. or adj.
准时：“准” here means “exact”, and “准时” here means “on time, at the exact moment”, used as adv. or adj.