不: a block of wood常: ordinary; common; normal吸烟: smoke; have a smoke过去不。。。: didn’t use to他们过去不听: they would not listen过去不稳定记录: history of instability过去不稳定纪录: history of instability过去不稳定历史: history of instability现在和过去不同了: now it is different from the past过去不稳定记录;过去不稳定历史: history of instability不常: asasvata; seldom / hardly / barely / rarely / not often; seldomness他们过去不听也不懂: they were not listening吸烟: smoke; have a smoke 你吸烟吗? do you smoke? 禁止吸烟! no smoking!; 吸烟车厢 smoking car; smoking carriage; smoking compartment; 吸烟室 smoking room; smoker 多年过去,那些夏日一去不复返: many years have passed since those summer days很少,不常: on rare occasions; seldom肠异常吸收: abnormal intestinal absorption肠正常吸收: normal intestinal absorption反常吸收: anomalous absorption异常吸收: anomalous a orption; anomalous absorption去不得: must not go去不回: one way ticket过去: 过去in [of] the past; formerly; previously 过去的岁月 bygone days; former days; the past; 过去的事就让它过去吧。 let bygones be bygones. 我们无法改变过去。 we cannot change the past. 他比过去胖多了。 he's much fatter than he used to be. 现在和过去不同了。 now it is different from the past.; 过去存在 thenness; 过去分词 past participle; 过去将来进行时 past future continuous tense; 过去将来时 past future tense; 过去将来完成时 past future perfect tense; 过去进行时 past continuous tense; 过去时 past tense; 过去完成进行时 past perfect continuous tense; 过去完成时 past perfect tense 过去in: the past不常出现: unfrequent不常发生的: not happening often