past /pɑ:st/ I. adj.过去的：in the past few years 在过去几年里Winter is past and spring has come.冬天已经过去，春天已到来。 ‖II. n.［u］过去： I’d like to forget/bury the sad past.我很想忘掉悲惨的过去。In the past, trains were pulled by steam-engine. 过去火车是由蒸汽机车牵引的。 ‖III. prep.1.从旁经过：I walked past the gate. 我走过大门。Bullets flew past our ears. 子弹从我们耳边飞过。 2.晚于：half past two两点半 It’s past midnight.已过子夜。 ‖IV. adv. (从旁)过去：The car drove past.汽车开过去了。