| 释义 |
guard²v [t]to protect someone or something from being attacked or stolen, or to prevent a prisoner from escaping 守卫，保卫，保护; 看守guard against sthto try to prevent something from happening by being careful 预防，防止:◇exercise can help guard against a number of serious illnesses. 运动可以预防多种严重疾病。 |