/ˈpʌŋktʃuəl ||; ˈpʌŋktʃυəl/adj doing sth or happening at the right time; not late 准时；守时:
It is important to be punctual for your classes. 准时上课很重要。 ☞We say the train, bus, etc was on time not punctual. 说火车、公共汽车等准点时，用on time而不用punctual。 ➔punctuality /ˌpʌŋktʃuˈæləti/ noun [U]: Japanese trains are famous for their punctuality. 日本的火车以准点著名。 ➔punctually adv