相關(guān)單詞同義詞sudden, unexpected, occasional, 近義詞 accidental 意外的, casual 非正式的, adventitious 偶然的, contingent 代表團(tuán), circumstantial 依情況而定的..., chance 可能性, unexpected 想不到的, unplanned 無計劃的, incidental 附帶的, causeless 無原因的, uncaused 無前因的(非創(chuàng)造的...反義詞intentional, 存心的臨近詞fortunate, fortress, fortuitously, fortuitous error, fortuitous event, fortuitous change, fortuitous jitter, fortuitous defense, fortuitous meeting, fortuitous casualty, fortuitous accident, fortuitous causalty相似詞fortis, fortitude, fortnight, fortress, fortunate, fortunately, fortune, fortune cookie, 返回 fortuitous