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English Fox - English Dictionary
Meaning of
be on guard
in English
be on guard
#common
Definitions
Verb
to
be
cautious
and
watchful
,
especially
to
prevent
something
bad
from
happening
to
be
prepared
and
ready
for
a
particular
situation
or
event
to
be
suspicious
or
distrustful
of
someone
or
something
Base Words
guard
on
be