英语释义
1
n a person who keeps watch over something or someone
2
n the person who plays that position on a football team
3
n a device designed to prevent injury or accidents
4
n a posture of defence in boxing or fencing
5
n the person who plays the position of guard on a basketball team
6
n a military unit serving to protect some place or person
7
n a precautionary measure warding off impending danger or damage or injury etc.
8
n the duty of serving as a sentry
9
n (American football) a position on the line of scrimmage
10
n a position on a basketball team
12
v watch over or shield from danger or harm; protect
13
v protect against a challenge or attack
14
v take precautions in order to avoid some unwanted consequence