FAQs About the word off guard

措手不及

not prepared or vigilant, not prepared or vigilant

保镖,保管人,监护人,守门员,巡逻,示威者,哨兵,哨兵,看守长,辩护者

冒犯性的

off and on => 断断续续, off => 关, of unsound mind => 精神错乱的, of the essence => 本质的, of sound mind => 心智健全的,