precaution

名词 precaution:

1. a precautionary measure warding off impending danger or damage or injury etc.
   同义词：safeguard, guard
2. the trait of practicing caution in advance
3. judiciousness in avoiding harm or danger
   同义词：caution, care, forethought

1. The report is scathing about the lack of safety precaution.
   该报道对缺乏安全预防措施一事严加指责。
2. All this wake the local government to the need for safety precaution.
   所有这些使当地政府认识到必须采取安全预防措施。
3. You should take an umbrella just as a precaution.
   你该带把伞，有备无患。
4. I took the precaution of locking everything in the safe.
   我把一切东西都锁在保险箱里以防万一。

pre.cau.tion

n.（名词）
An action taken in advance to protect against possible danger or failure; a safeguard:
预防，防备：预先采取动作以预防可能的危险或失败；保护：
例句：
He took every precaution but still got a bad deal on that used car.
他处处小心但还是在旧车交易中受骗

Caution practiced in advance; forethought or circumspection:
预先作出的警告；深思熟虑或周密慎重：
例句：
Precaution was impossible in those dire circumstances.
在紧迫的环境下无暇再去周密慎重

来源：
Late Latin praecautiô praecautiôn-
后期拉丁语 praecautiô praecautiôn-
from praecautus
源自 praecautus
past participle of Latin praecavôre [to guard against]
拉丁语 praecavôre的过去分词 [保护]
prae- [pre-]
prae- [前缀]
cavôre [to beware]
cavôre [意识到]