by accident
释义
偶然地、意外地
高考频率
考频：近七年出现1次
coll.偶然; 意外地
例句
1·Helen got into acting purely by accident .
海伦当演员完全出于偶然。
《牛津词典》
2·She discovered the problem by accident during a visit to a nearby school.
她在去附近一所学校参观时偶然发现了这个问题。
《柯林斯英汉双解大词典》
3·It happened—whether by accident or design —that the two of them were left alone after all the others had gone.
碰巧—不知是偶然还是有意安排—其他人走后，只剩下了他们两个人。
《牛津词典》
同义词
偶然；意外地
by chance
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