not know (one is) born(redirected from not know they're born)
not know (one is) born
To be unaware of or blind to one's own good fortune or ease of life. Kids these days don't know they're born, being able to do everything with a tap of their phones. Families in this country complain about their life, and then they sit down to watch TV in a warm house after a decent meal. I tell you, some people don't know they're born.
not know you are born
If you say that someone doesn't know they are born, you mean that they do not realize how lucky they are. Unbelievably, he was texting all through their date. Some blokes don't know they're born.