precaution
- n. 预防，警惕；预防措施
- vt. 警惕；预先警告
英英释意
- 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"