guard

（常与from, against连用）保卫；防守；保护

看守；监视

管制；控制

守卫；防守；警戒

防御姿势

卫兵；警卫员；看守

卫队；禁卫军

〈铁路〉（旅客列车的）列车长

防护装置

guard

守卫, 警戒, 护卫队, 防护装置

保卫, 看守, 当心

防止, 警惕, 警卫

guard

1. a person who keeps watch over something or someone

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2. the person who plays that position on a football team; "the left guard was injured on the play"

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3. a device designed to prevent injury

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4. a posture of defence in boxing or fencing; "keep your guard up"

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5. the person who plays the position of guard on a basketball team

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6. a group of men who escort and protect some important person

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7. 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"

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8. the duty of serving as a sentry; "he was on guard that night"

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9. a position on the line of scrimmage; "guards must be good blockers"

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10. a position on a basketball team

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1. to keep watch over; "there would be men guarding the horses"

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2. watch over or shield from danger or harm; protect; "guard my possessions while I'm away"

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3. protect against a challenge or attack; "Hold that position behind the trees!"; "Hold the bridge against the enemy's attacks"

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4. take precautions in order to avoid some unwanted consequence; "guard against becoming too friendly with the staff"; "guard against infection"

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