precaution

英 [prɪ'kɔːʃ(ə)n] 美[prɪ'kɔʃən]

• n. 预防，警惕；预防措施
• vt. 警惕；预先警告

1. a precautionary measure warding off impending danger or damage or injury etc.;

"he put an ice pack on the injury as a precaution"

"an insurance policy is a good safeguard"

"we let our guard down"

2. the trait of practicing caution in advance

3. judiciousness in avoiding harm or danger;

"he exercised caution in opening the door"

"he handled the vase with care"