An accidental fire remains isolated for a sufficient period to permit the occupants to escape . 意外发生的火灾可继续地被隔离一段足够长的时间，使得居民能够逃脱。
" happen " and " occur " refer to accidental or unplanned events ; " occur " is more formal than " happen . " “happen”和“occur”指偶然的或未经筹划的事件；“occur”比“happen”更正式一些。
We all three went to window, behind the wire blind, and presently saw the client go by in an accidental manner . 我们三人走到窗口，隐在百叶窗后面，不一会儿就看见那个当事人若无其事地走了过去。
Accidental errors act sometimes in one and sometimes in another direction and by their very nature can't be predicted . 偶然误差，有时出现在这个方向，有时又出现在另一个方向，并且因其特有的性质而不可预测。
The deliberate or accidental ingestion of belladonna alkaloids or other classes of drugs with atropinic properties is a major cause of poisonings . 故意或意外服用颠茄生物碱或其它具有阿托品的药物是中毒的主要原因。
We are all different and unequal in spirit--it is only the social differences that are based on accidental material conditions . 在精神上我们是不同的，是不平等的。只有社会地位的不同才是由于偶然性的物质条件造成的。
The fate of each family was anticipated; but they who prophesied their expulsion to beggary and ruin, were disappointed by an accidental circumstance . 这两个家庭的前途不难预料。他们将被赶出门外，沦为乞丐。但这时却出现了一个意外情况。
It will be well for men to resolve at the first approaches of the amorous but fickle pair upon interdicting even an accidental temporary junction . 这对多情而又易变的恋人刚一出现，人们就能看出他们无法抑制利用任何机会在起来，哪怕是偶然、临时的机会。
Elizabeth, as has been said, often took her walks on the budnouth road, and farfrae as often made it convenient to create an accidental meeting with her there . 上面已经说过，伊丽莎白常到布得第斯公路去散步，伐尔伏雷便常常利用这个方便，同她在那里来一次偶然的会面。
Accidental manslaughter will hurt your chances 意外杀人事件会影响到你的机会
