一家人不说两家话

lit. family members speak frankly with one another, not courteously, as if they were from two different families (idiom) / fig. people don't need to be deferential when they ask a family member for help / people from the same family should stick together (and good friends likewise)

ยังไม่มีความหมายภาษาไทย – ความหมายภาษาอังกฤษ