您好！我家有四口人。nínhǎo！wǒjiāyǒusìkǒurén。Hello! My family has four people.这是我的妈妈。zhèshìwǒdemāma。This is my mom.那是我的弟弟。nàshìwǒdedìdi。That is my younger brother.我还有一个女儿。wǒháiyǒuyígènǚér。I also have a daughter.我们一家人都很喜欢。wǒmenyìjiāréndōuhěnxǐhuan。Everyone in our family likes it a lot.