相关单词同義詞unexpectedly, fortuitously, 近義詞 by chance 偶然, unintentionally 非故意地, by accident 偶然, by mistake 錯誤地, inadvertently 不注意地, out of the blue 出乎意料地, circumstantially 因情形地, incidentally 附帶地, unexpectedly 未料到地反義詞deliberately, 故意地intentionally, 有意地designedly, 故意地臨近詞accidental, accidental case, accidental harm, accidental gybe, accidental fire, accidental form, accidental bias, Accidental shape, accidental sport, accidental wound, accidental cover相似詞accident and emergency, accident-prone, accidental, accidental death, accidentally on purpose idiom, accidents will happen idiom, acclaim, acclamation, 返回 accidentally