| 释义 |
ac·ci·den·tal AHD[ăk'sĭ-dĕnʹtl] D.J.[ˌæksɪˈdentl]K.K.[ˌæksɪˈdɛntļ]adj.（形容词）  accidentalleft to right: G natural, G flat, G sharp - Occurring unexpectedly, unintentionally, or by chance.意外的，偶然发生的
- Music Of or relating to a sharp, flat, or natural not indicated in the key signature.【音乐】 临时记号的：在主要调号上没有标出的尖锐、平缓或自然的符号
n.（名词）- A property, a factor, or an attribute that is not essential.非主要特性，次要方面：非主要的，非本质性的特征、特点或特性
- Music A chromatically altered note not belonging to the key signature.【音乐】 临时记号：不属于主要调号的缓慢变化的音符
ac'cidenʹtally adv.（副词）accidental, fortuitous, contingent, incidental, adventitious- These adjectives apply to what comes about without design or intent.这些形容词指某些事物意外或突然发生，
- Accidental primarily refers to what occurs by chance: Accidental 原指某事偶然发生： Their accidental meeting led to a renewal of their acquaintance. It can also mean subordinate or nonessential: 偶然的相遇使他们重续前缘。 它也可用来指附加的或非本质的： "Poetry is something to which words are the accidental, not by any means the essential form" (Frederick W. Robertson). “对诗歌而言，语词只是附加的，而不是本质性的” （弗雷德里克.W.鲁宾逊）。
- Fortuitous stresses chance or accident even more strongly and inferentially minimizes relation or cause: Fortuitous 甚至更强调意外或偶然并且推论性地减小关系和原因： "the happy combination of fortuitous circumstances" (Sir Walter Scott). “各种不相关环境的令人高兴的结合” （沃尔特·司各科）。
- Contingent in this context describes what is possible but uncertain because of chance or unforeseen or uncontrollable factors: Contingent 被用来描述可能但因意外或不能预料或不能控制的因素而不能确定的事物： "The results of confession were not contingent, they were certain" (George Eliot). “忏悔的结果不是可能，而是确定的” （乔治·艾略特）。
- Incidental refers to what is an adjunct to something else and does not necessarily imply the operation of chance: Incidental 指附加于另外的事物上，但不一定就暗指是由于偶然的因素： "There is scarcely any practice which is so corrupt as not to produce some incidental good" (Enoch Mellor). “没有比连附带的好处都没有产生的行为更腐败的了” （伊内奇·梅洛）。
- Adventitious applies to what is not inherent in something but is added extrinsically, sometimes by accident or chance: Adventitious 指某些事物中非本质的，有时是由于意外或偶然而附加上去的外部的东西： "The court tries to understand ‘whether the young man's misconduct was adventitious or the result of some serious flaw in his character’” (Harry F. Rosenthal). “法庭想弄明白这个年轻人的错误行为是偶然犯下的还是他性格中固有的缺陷造成的” （哈利·F·洛桑塔尔）
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