in·ci·den·tal·ly /ˌɪnsɪˈdentəlɪ/ ad. 1. 附带地;伴随地 2. 偶然地,不意地 In this discussion grave questions were incidentally brought up. 在这次讨论中,一些重大问题被偶然提了出来。 3. [作句副词用]顺便说到,顺便提一句 The airlines charge half-price for the students. Incidentally, I've already bought my ticket to New York. 航空公司对学生收半价。顺便说一句,我已经买了去纽约的机票。