Phono-semantic — one part hints at the meaning, another at the sound
Example phrases
我们刚准备离开,恰巧负责人赶到,会议才得以继续。Wǒmen gāng zhǔnbèi líkāi, qiàqiǎo fùzérén gǎn dào, huìyì cái déyǐ jìxù.We were just about to leave when, as luck would have it, the person in charge arrived and the meeting could continue.
我到车站时,恰巧碰上多年不见的老同学。Wǒ dào chēzhàn shí, qiàqiǎo pèngshàng duōnián bú jiàn de lǎo tóngxué.When I got to the station, I happened to run into an old classmate I had not seen for years.
那天恰巧是节日,商店全都关门了。Nàtiān qiàqiǎo shì jiérì, shāngdiàn quándōu guānmén le.That day happened to be a holiday, so all the shops were closed.