/ˈfɒstə ˈbrʌðəʳ/ – Phrase
Definition: anh em nuôi
A more thorough explanation: A foster brother is a person who is not biologically related to another individual but has been raised in the same household as siblings through a formal foster care arrangement.
Example: John’s foster brother, who was raised alongside him in the same foster home, has always been a supportive and caring sibling to him.