v. 避开, 避免, 预防( avoid的第三人称单数 ); [法律]宣布（判决、抗辩等）无效; 使无效; 废止, 撤销

v stay clear from; keep away from; keep out of the way of someone or something

v prevent the occurrence of; prevent from happening

v refrain from doing something

v refrain from certain foods or beverages

v declare invalid