/kəʊˈɪnsɪdəns/ n.1.(chance)巧合；巧事
It was quite a coincidence that my sister was on the same train.我妹妹也在同一列火车上, 真是太巧了。
Mr. Berry said the timing was a coincidence and that his decision was unrelated to Mr. Roman's departure.贝里先生说这是时间上的巧合, 他的决定与罗曼先生的离开没有关系。
2.<正式>(fact of coinciding)相符；相一致
Such coincidence in time implies a genetic relationship.这种时间上的一致意味着存在亲缘关系。