guard

/gɑ:d/
Học thuật
Thân thiện
guard

The basketball guard dribbles the ball down the court.

Definition
  1. Noun:

    • A person who protects or watches over someone or something: A "guard" is someone whose job is to protect a person, place, or object from danger or theft.
    • A state of vigilance or defense: "Guard" can refer to a state of being watchful and prepared against possible danger or attack.
    • A protective device or part: A "guard" is an object or piece of equipment designed to prevent injury or damage.
    • A position in sports: In sports like basketball and American football, "guard" is a specific playing position.
  2. Verb:

    • To protect or watch over: To "guard" means to keep safe from harm or danger by standing watch or taking protective measures.
    • To take precautions: To "guard" means to be careful to avoid something undesirable.
Usage and Examples
  • Noun (Person):

    • The security guard checked our identification. (The person whose job was to protect the entrance verified who we were.)
    • The prisoner was escorted by two armed guards. (The prisoner was watched over and accompanied by two people with weapons.)
  • Noun (State of Vigilance):

    • The soldiers were on guard all night. (The soldiers were in a state of watchfulness and readiness throughout the night.)
    • She was caught off guard by the sudden question. (She was not in a state of preparedness for the unexpected question.)
  • Noun (Protective Device):

    • Always use the safety guard on the machine. (Always employ the protective cover attached to the machine.)
    • A fire guard was placed in front of the fireplace. (A protective screen was positioned to prevent sparks from escaping.)
  • Noun (Sports Position):

    • He plays point guard for the team. (He fills the primary ball-handling and playmaking position in basketball.)
    • The right guard blocked the defensive player. (The football player in the interior line position stopped the opponent's advance.)
  • Verb (To Protect):

    • The soldiers guard the border. (The soldiers protect and watch over the national boundary.)
    • She guarded the secret carefully. (She protected the secret from being discovered.)
  • Verb (To Take Precautions):

    • You should guard against making hasty decisions. (You should take care to avoid making decisions too quickly.)
    • Guard against infection by washing your hands. (Take preventive measures to avoid getting sick by cleaning your hands.)
Advanced Usage and Nuances
  • "To be on/off (one's) guard": To be vigilant and prepared / to be unprepared or not vigilant.
    • Be on your guard in crowded places. (Remain watchful and cautious in areas with many people.)
  • "To stand guard": To be stationed as a protector or sentry.
    • The statue stands guard over the ancient tomb. (The statue is positioned as a perpetual protector of the tomb.)
  • "To lower/let down one's guard": To become less vigilant or defensive.
    • After a few jokes, he finally let his guard down and relaxed. (He finally stopped being so defensive and became more at ease.)
Variants and Related Words
  • Guardian (n): A person who protects or defends someone or something; also, a legal caretaker.
    • She was appointed legal guardian of the children.
  • Guarded (adj): Cautious, restrained, or non-committal, especially in speech.
    • He gave a guarded response to the reporter's question.
  • Safeguard (n/v): A measure or action taken for protection. (This is a related but distinct word).
    • Regular backups are a good data safeguard. (noun)
    • Laws exist to safeguard consumer rights. (verb)
Synonyms
  • Protect (v): To keep safe from harm or injury.
  • Defend (v): To resist an attack; to protect from harm.
  • Watch over (v): To observe and protect.
  • Sentry (n): A soldier stationed to keep guard.
  • Shield (n/v): A protective device; to protect.
Phrasal Verbs / Common Constructions
  • Guard against (something): To take action to prevent something.
    • We must guard against complacency. (We must take care to avoid becoming self-satisfied.)
  • Guard from (something/someone): To protect someone or something from a specific threat.
    • The wall guarded the village from invaders. (The wall protected the village against attackers.)
Idioms and Fixed Phrases
  • Old Guard: The original or long-standing members of a group, often resistant to change.
    • The old guard in the company opposed the new marketing strategy.
  • Changing of the guard: A situation in which the people in power or performing a duty are replaced by others.
    • The election represented a changing of the guard in city politics.
guard

The basketball guard dribbles the ball down the court.

Noun
  1. a position on a basketball team
  2. (American football) a position on the line of scrimmage
    • guards must be good blockers
  3. the duty of serving as a sentry
    • he was on guard that night
  4. 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
  5. a military unit serving to protect some place or person
  6. the person who plays the position of guard on a basketball team
  7. a posture of defence in boxing or fencing
    • keep your guard up
  8. a device designed to prevent injury or accidents
  9. the person who plays that position on a football team
    • the left guard was injured on the play
  10. a person who keeps watch over something or someone
Verb
  1. take precautions in order to avoid some unwanted consequence
    • guard against becoming too friendly with the staff
    • guard against infection
  2. protect against a challenge or attack
    • Hold that position behind the trees!
    • Hold the bridge against the enemy's attacks
  3. watch over or shield from danger or harm; protect
    • guard my possessions while I'm away
  4. to keep watch over
    • there would be men guarding the horses