Phono-semantic — one part hints at the meaning, another at the sound
Example phrases
他摔倒后屁股疼了好几天,却还装作若无其事。Tā shuāidǎo hòu pìgu téng le hǎo jǐ tiān, què hái zhuāngzuò ruòwúqíshì.After he fell, his backside hurt for several days, but he still pretended nothing had happened.
孩子滑了一下,一屁股坐在地上。Háizi huá le yī xià, yī pìgu zuò zài dì shàng.The child slipped and landed on his bottom on the floor.
他坐了一整天,屁股都坐疼了。Tā zuò le yī zhěng tiān, pìgu dōu zuò téng le.He sat all day and his bottom got sore.