Pronunciation: /bi ɒn wʌnz ɡɑrd/
verb a word used to express an action, state, or occurrence
A1 I always tell my children to be on their guard when crossing the street.
A2 When traveling to a new city, it's important to be on your guard against pickpockets.
B1 The hikers were advised to be on their guard for bears in the area.
B2 As a detective, it's crucial to always be on your guard for any potential threats.
C1 In high-stress situations, it is imperative to be on one's guard to make quick decisions.
C2 The security team must always be on their guard to prevent any security breaches.
pronoun a word that can function by itself as a noun phrase and that refers either to the participants in the discourse or to someone or something mentioned elsewhere in the discourse
A1 You should be on your guard when walking alone at night.
A2 It's important to be on one's guard when entering unfamiliar territory.
B1 Drivers should be on their guard for pedestrians crossing the street.
B2 In high-crime areas, it is wise to be on one's guard at all times.
C1 Security personnel must always be on their guard to prevent any potential threats.
C2 Even experienced hikers need to be on their guard when navigating treacherous terrain.
preposition a word governing, and usually preceding, a noun or pronoun and expressing a relation to another word or element in the clause
A1 When walking alone at night, it's important to be on your guard.
A2 As a new driver, you should always be on your guard for other cars on the road.
B1 In unfamiliar surroundings, it's wise to be on your guard against potential dangers.
B2 After receiving a threatening message, she knew she had to be on her guard at all times.
C1 Having been betrayed before, he was always on his guard in new relationships.
C2 When traveling to a foreign country, it's crucial to be on your guard against scams and pickpockets.
formal It is important to always be on one's guard when dealing with unfamiliar individuals.
informal Hey, you better be on your guard around that guy, he seems a bit shady.
slang Dude, you gotta be on your guard with her, she's always up to something.
figurative In the game of politics, one must always be on their guard to avoid being taken advantage of.
was on one’s guard
are on one’s guard
more on one’s guard
most on one’s guard
is on one’s guard
will be on one’s guard
has been on one’s guard
is being on one’s guard
is on one’s guard
on one’s guard
to be on one’s guard
being on one’s guard
being on one’s guard