相关单词近义词 napping 不警戒的, unready 没预备的, unawares 出其不意地, unprepared 无准备的, off your guard 不警戒(不警惕..., off her guard 不警戒(不警惕..., off his guard 不警戒(不警惕..., off guard 不警戒， 不警惕, ，不提...off one's guard, 没有提防临近词off, offing 返回 off-guard