Usage note
男孩儿用来指代男性儿童,常用于描述家庭成员或朋友中的男孩子。
nán háir lái yòng zǐ dài nán xìng ér tóng, cháng yòng wèi mù miáo hu jiā tíng gèng yuán lǐng yǒu qí zhōng de nán háir.
男孩儿 is used to refer to male children and is commonly used to describe boys in the family or among friends.