记忆方法
双解例句
小知识
Anything accidental happens by chance or unintentionally. People don't mean to do accidental things.
An accident is something unforeseen that no one wanted to happen, like a car accident or getting hit by lightning. You can describe anything like that as accidental. Bumping into a stranger could be accidental. Forgetting to pay a bill is accidental. This word covers all the things that no one really meant or planned to happen. There are a lot of accidental events in the world, which is one reason insurance exists.
实用短语
常用短语
单词用法
accidental强调超出一般规律和常情;
fortuitous强调原因不明;casual强调无意或无预谋,指人、行动、衣着时,常侧重随随便便或漠不关心;
incidental可指无计划的或不规则的。仅仅表示偶然发生的或非主要的、非真实的;
adventitious可与incidental换用,但较为正式,侧重两者缺乏至关重要的联系,强调意外的收获或巧遇;
而contingent强调事情发生的可能性和结果的不可预测性。
词根词缀
词根: cid
1. =fall,表示”落下,降临”; 2. 引申为偶然发生
adj.
accidental 偶然的;意外的;无意中的accident[n.意外之事,灾害]+al……的→adj.偶然的;意外的;无意中的
deciduous 脱落的,落叶的de去掉+cid落+uous……的→使[树叶]掉下→落叶的
n.
accident 意外之事,灾害ac加强+cid落下,降临+ent→意外的掉下
coincidence 巧合coincide[v.巧合;同时发生]+nce→n.巧合
incidence 落下的方式, 影响范围in进入+cid落下+ence表名词→掉下来的概率→发生事件的范围→影响范围
incident 偶然事件in进入+cid落下+ent→掉进来的事件
occident 西方oc使+cid落+ent→使[太阳]落下→西方
v.
coincide 巧合;同时发生co共同+in进入+cid落下+e→共同落进
同义词
unwitting / haphazard / fortuitous / undesigned / stray / unlooked-for / casual / fluky / inadvertent / serendipitous / unthinking / unanticipated / freak / unforeseen / unintentional / unpremeditated / chance / unintended / unplanned / random / unexpected
provisional / conditional / inessential / unessential / irrelevant / incidental / the / external / point / dependent / extraneous / beside / nonessential / by-the-way / circumstantial / adventitious / parenthetical / contingent / extrinsic
反义词
purposed / intentional / planned / voluntary
voluntary / designed / intentional / planned