upon one's guard
Học thuậtThân thiện
Definition
- Adjective Phrase:
- Vigilant, cautious, and prepared for danger or difficulty: The phrase describes a state of being watchful and alert to potential threats, problems, or deception. It implies a defensive or careful stance.
Usage
- The phrase functions as a predicate adjective, typically following a linking verb like "be," "remain," or "keep."
- It is often used with the preposition "against" to specify the source of the potential threat.
- It describes a temporary state of heightened awareness prompted by a specific situation, rather than a permanent personality trait.
Examples
- Adjective Phrase:
- After the recent security breach, all employees must be upon their guard.
- She advised her friend to remain upon her guard against misleading advertisements.
- The warning put the entire neighborhood upon its guard.
Advanced Usage
- "to be upon one's guard": To be in a state of alertness.
- A good detective is always upon his guard.
- "to put/set someone upon their guard": To warn someone, causing them to become cautious.
- The strange noise put me upon my guard.
- "to keep upon one's guard": To maintain a state of caution.
- When traveling alone, it's wise to keep upon your guard.
Variants and Related Words
- On one's guard: This is a more common modern variant with identical meaning and usage.
- Be on your guard for pickpockets in the crowd.
- Guard (n/v): The core word meaning to watch over, protect, or defend.
- Guarded (adj): Cautious and having reservations, often in speech or demeanor.
- He gave a guarded response to the question.
Synonyms
- Alert: Quick to notice and respond to potential danger.
- Watchful: Carefully observing everything around.
- Vigilant: Keeping careful watch for possible danger or difficulties.
- Wary: Feeling or showing caution about possible dangers or problems.
Related Phrases
- On the alert: Ready and watchful for something.
- On the lookout: Actively searching or watching for something.
- Keeping one's eyes peeled: Being very watchful and observant.
Adjective
- vigilant
- on guard against con artists
- must remain on your guard in such a situation