mind one's p's and q's
The phrase "mind one's p's and q's" is an idiomatic expression that means to be on one's best behavior or to be cautious and attentive to one's actions and words. It is a reminder to be mindful of one's manners, etiquette, or conduct in a particular situation. The origin of this phrase is uncertain, with several theories suggesting it could be related to printing or pub culture.
English is confusing! Why do people say "Pardon my French" when they are speaking English? Because of idioms!
An idiom is a phrase or expression that usually presents a figurative, non-literal meaning attached to the phrase. Does that sound fun? It can be!
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