Chóngzǔ jiātíng lǐ de jìxiōngdìjiěmèi yě kěnéng chéngwéi yíbèizi de qīnrén.
Step-siblings in a blended family can also become lifelong family.
Tips
usage
继 means 'to succeed / following on' and is the standard prefix for step-relatives: 继父 (stepfather), 继母 (stepmother), 继子女 (stepchildren). 继兄弟姐妹 simply collectivizes 兄弟姐妹 (siblings) with that same prefix.
