precautions
A precaution is an action that is intended to prevent something dangerous or unpleasant from happening.
Could he not, just as a precaution, move to a place of safety?
就算是作为防范,难道他就不能搬到一个安全的地方去吗?
He took elaborate precautions to conceal his true persona.
他采取了周密防范来掩盖自己的真实人格。
Extra safety precautions are essential in homes where older people live.
在有老人的家中,额外采取一些安全防范措施是十分必要的。