名詞 precaution:

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

1. The report is scathing about the lack of safety precaution.
   該報(bào)道對(duì)缺乏安全預(yù)防措施一事嚴(yán)加指責(zé)。
2. All this wake the local government to the need for safety precaution.
   所有這些使當(dāng)?shù)卣J(rèn)識(shí)到必須采取安全預(yù)防措施。
3. You should take an umbrella just as a precaution.
   你該帶把傘，有備無(wú)患。
4. I took the precaution of locking everything in the safe.
   我把一切東西都鎖在保險(xiǎn)箱里以防萬(wàn)一。

pre.cau.tion

n.（名詞）
An action taken in advance to protect against possible danger or failure; a safeguard:
預(yù)防，防備：預(yù)先采取動(dòng)作以預(yù)防可能的危險(xiǎn)或失敗；保護(hù)：
例句：
He took every precaution but still got a bad deal on that used car.
他處處小心但還是在舊車交易中受騙

Caution practiced in advance; forethought or circumspection:
預(yù)先作出的警告；深思熟慮或周密慎重：
例句：
Precaution was impossible in those dire circumstances.
在緊迫的環(huán)境下無(wú)暇再去周密慎重

來(lái)源：
Late Latin praecautiô praecautiôn-
后期拉丁語(yǔ) praecautiô praecautiôn-
from praecautus
源自 praecautus
past participle of Latin praecavôre [to guard against]
拉丁語(yǔ) praecavôre的過(guò)去分詞 [保護(hù)]
prae- [pre-]
prae- [前綴]
cavôre [to beware]
cavôre [意識(shí)到]