guard
[ɡɑ:d]
n. 守卫；警戒；护卫队；防护装置
vi. 警惕
vt. 保卫；监视
同义词
参考例子
1.Troops were reported to be guarding the key points there.
据报告，部队正守卫着那儿的要塞。
2.Knowledge is power guard it well.
知识是力量，好好保护它。
3.The guard rebounded off the backboard.
后卫抢到篮板弹回的球。
英文解释
n.
1.a person who keeps watch over something or someone
2.the person who plays that position on a football team
3.a device designed to prevent injury
4.a posture of defence in boxing or fencing
5.the person who plays the position of guard on a basketball team
6.a group of men who escort and protect some important person
7.a precautionary measure warding off impending danger or damage or injury etc.
8.the duty of serving as a sentry
9.a position on the line of scrimmage
10.a position on a basketball team
v.
1.to keep watch over
2.watch over or shield from danger or harm; protect
3.protect against a challenge or attack
4.take precautions in order to avoid some unwanted consequence
网络释义
guard
后卫; 警戒; 护栏; 保护，防护装置;
on guard
站岗,值班; 警惕，防范; 站岗，警戒; 站岗, 班;
safety guard
安全保护装置; 安全罩; 安全防护板〔罩; 安全护栏;
point guard
控球后卫; 组织后卫; 得分后卫; 组织后卫，也作控球后卫。;
honor guard
仪仗队;