你必须是孩儿她妈你必须是孩儿他爸
[nĭ bì xū shì hái ér tā mā nĭ bì xū shì hái ér tā bà]
You must be the child's mom; You must be the child's dad. This phrase indicates commitment to a parental role and responsibilities within a family, implying a serious approach to relationships.