五口之家 wǔ kǒu zhī jiā — a family of five 五口之家 wǔ kǒu zhī jiā Characters: 五 · 口 · 之 · 家 Definitions a family of five Examples 他是个普通的五口之家的家长。 He is the head of an ordinary family of five. 五口之家的开销可不小。 The expenses of a family of five are no small matter.