we are a grandmother
The phrase "we are a grandmother" does not make grammatical sense as it combines both plural "we" and singular "grandmother" forms. However, it could be interpreted as a metaphorical expression suggesting a collective identity or shared experience of being a grandmother among a group of people.
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!
Play Just Saying - the word game that makes learning idioms a good time on your mobile phone or tablet.