Phono-semantic — one part hints at the meaning, another at the sound
Example phrases
我们只是萍水相逢,他却热心地帮了我大忙。Wǒmen zhǐshì píngshuǐ xiāngféng, tā què rèxīn de bāng le wǒ dà máng.We were only strangers who met by chance, yet he warmly helped me a great deal.
火车上萍水相逢的两个人,聊了一路,成了好朋友。Huǒchē shàng píngshuǐ xiāngféng de liǎng ge rén, liáo le yílù, chéng le hǎo péngyou.The two strangers who met by chance on the train chatted all the way and became good friends.
虽然只是萍水相逢,他们却一见如故。Suīrán zhǐshì píngshuǐ xiāngféng, tāmen què yíjiànrúgù.Though they only met by chance, they hit it off at once.