FAQs About the word off guard

措手不及

not prepared or vigilant, not prepared or vigilant

保鑣,保管人,監護人,守門員,巡邏,示威者,哨兵,哨兵,看守長,辯護者

冒犯性的

off and on => 斷斷續續, off => 關, of unsound mind => 精神錯亂的, of the essence => 本質的, of sound mind => 心智健全的,