1.But once it is understood that their connection with sophistry is adventitious, not inescapable, I see no reason for giving the terms up.

但一旦明白它们与诡辩的联系是偶然的，而不是不可避免的，我认为没有理由放弃些条款。机翻

2.And, that this measuring of shadows produced a false calculation, because their length depends so much on the height of the sun, and other adventitious circumstances.

而，阴影测量产生了错误的计算，因为它们的长度在很大程度取决于阳的高度和其他偶然情况。机翻

3.Footsteps began stamping up and down the bare stairs, the comers inspecting the goods, some of which were of so quaint and ancient a make as to acquire an adventitious value as art.

脚步声开始在光秃秃的楼下颠簸，来访者正在检查商品，其中一些商品如此古朴和古老，以至于获得了作为艺术的偶然价值。机翻

4.Someone with a positive manner, perhaps a detective, used the expression 'mad man' as he bent over Wilson's body that afternoon, and the adventitious authority of his voice set the key for the newspaper reports next morning.

那天下午，有一个神态自信的人，也许是一名侦探，低头检视威尔逊的尸体时用了“疯子” 两个字，而他的语气偶然的权威就为第二天早所有报纸的报道定了调子。