戒备的英文：
to take precautions
to guard against (emergency)

参考例句：
  • A defense mechanism.
    戒备的心理状态
  • The Special Duties Unit was deployed to counter any potential threats.
    特警队也奉召到场戒备。
  • Alert and watchful;cautious.
    谨慎的警觉且戒备的;谨慎的
  • To be kept in strict solitary confinement, and to be closely watched and guarded
    应严加看守，小心戒备。
  • We should stand by on a hurricane alert .
    在暴风雨警戒期间我们应加戒备。
  • Suddenly we hear the shriek of unwary animal take by surprise.
    突然我们听到了无戒备的动物遭突袭的尖叫声。
  • Suddenly we heard the shrieks of unwary animals taken by surprise.
    突然我们听到了无戒备的动物遭突袭的尖叫声
  • At first his jealousy only showed in small ways.
    起初他的戒备表现得不是十分明显。
  • The murderer crept up on his unsuspecting victim.
    那个杀人凶手悄悄逼近毫无戒备之心的受害者.
  • The dog jealously guarded its Bone.
    那狗戒备地看管着它的骨头。
take是什么意思：
v. 拿，取；带；获得；采取；承担；吃；耗费；乘，搭；以为；理解；走；抓住
  • a catch; a take; a taking
    捕获量
  • take a nap; take a snooze
    小睡一下;睡午觉
  • take service with
    在￥帮佣
precautions是什么意思：
n.[C]
1.预防措施或方法
  • I took an umbrella as a precaution.
    我带了一把伞以防下雨。
  • All this woke the local government to the need for safety precautions.
    所有这些使当地政府认识到必须采取安全预防措施。
  • We have taken necessary precautions against fire.
    我们已采取必要的防火措施。
guard是什么意思：
n. 卫兵；护卫队；守卫；警戒；防护装置；列车长
v. 看守；监视；控制；防范
  • guarding position
    防守位置
  • a guarded answer
    谨慎的回答
  • ...the Irish Guards
    ...爱尔兰近卫团

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