相關單詞近義詞 unexpected 想不到的, impromptu 即席的, surprise 驚奇, spontaneous 自發(fā)的，自然的，本能的..., unpredicted 不可預期的, unheralded 未預先通知的...臨近詞una, Unaki相似詞unambiguous, unambitious, unanimity, unanimous, unanswerable, unanswered, unanticipated, unapologetic, 返回 unannounced