Be on your guard
phrase
To be careful or vigilant because a situation could be dangerous or there may be problems.
There are pickpockets in this area, so be on your guard.

Often appears as...
- always be on your guard
- be on your guard against
phrase
To be prepared to protect or defend oneself against someone or something that poses a potential threat.
He does not seem trustworthy, I would be on my guard if I were you.

Often appears as...
- be on your guard for
- be on your guard with
phrase
To be careful or vigilant because a situation could be dangerous or there may be problems.
There are pickpockets in this area, so be on your guard.

Often appears as...
- always be on your guard
- be on your guard against
phrase
To be prepared to protect or defend oneself against someone or something that poses a potential threat.
He does not seem trustworthy, I would be on my guard if I were you.

Often appears as...
- be on your guard for
- be on your guard with
Definition 1 of 2

Context Matters
Use 'be on your guard' in situations where caution is advised due to possible risks or threats.

The roads are icy today; be on your guard while driving.
Risk Warning
'Be on your guard' signals that one must pay extra attention to avoid harm or deceit.

She's known for her sharp tongue, so be on your guard during the debate.
Collocation Usage
Pair 'be on your guard' with words like 'against', 'for', or 'with' to specify the threat.

Be on your guard against misinformation when reading news online.
Context Matters
Use 'be on your guard' in situations where caution is advised due to possible risks or threats.

The roads are icy today; be on your guard while driving.
Risk Warning
'Be on your guard' signals that one must pay extra attention to avoid harm or deceit.

She's known for her sharp tongue, so be on your guard during the debate.
Collocation Usage
Pair 'be on your guard' with words like 'against', 'for', or 'with' to specify the threat.

Be on your guard against misinformation when reading news online.
Context Matters
Use 'be on your guard' in situations where caution is advised due to possible risks or threats.

The roads are icy today; be on your guard while driving.
Risk Warning
'Be on your guard' signals that one must pay extra attention to avoid harm or deceit.

She's known for her sharp tongue, so be on your guard during the debate.
Collocation Usage
Pair 'be on your guard' with words like 'against', 'for', or 'with' to specify the threat.

Be on your guard against misinformation when reading news online.
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