"Off her guard" is an idiomatic expression used to describe a situation in which someone is caught unaware or unprepared, typically due to a momentary lapse in their usual cautious or alert state. When a person is "off her guard," she may become vulnerable to unexpected events, surprises, or potential dangers.
This expression originates from the concept of being "on guard," which means being watchful, attentive, and ready to react to any possible threats or risks. Conversely, when someone is "off her guard," it implies that her usual state of carefulness, vigilance, or attention has temporarily diminished.
Being caught off guard can occur in a variety of contexts, such as in a conversation where sudden and unexpected remarks leave someone taken aback or in a physical altercation where a person is unable to defend themselves appropriately due to a momentary lack of vigilance. Additionally, one may be caught off guard by sudden changes in circumstances or an unexpected turn of events.
It is important to note that when someone is off her guard, it does not necessarily imply negligence or carelessness on their part. Sometimes, unexpected situations can arise or distractions can temporarily divert one's attention, causing them to be momentarily off guard.
Overall, "off her guard" denotes a state of unpreparedness, susceptibility, or lack of alertness that leaves an individual vulnerable to unforeseen events, highlighting the importance of being attentive and cautious in various aspects of life.
