Phono-semantic — one part hints at the meaning, another at the sound
Example phrases
他在昏暗的楼梯间不小心磕到了膝盖,只好暂停训练。Tā zài hūn'àn de lóutījiān bù xiǎoxīn kē dào le xīgài, zhǐhǎo zàntíng xùnliàn.He accidentally bumped his knee in the dim stairwell and had to suspend his training.
小孩跑得太快,头磕在了桌角上。Xiǎohái pǎo de tài kuài, tóu kē zài le zhuōjiǎo shàng.The child ran too fast and bumped his head on the corner of the table.
她不小心把杯子磕在水池边上,杯口磕掉了一块。Tā bù xiǎoxīn bǎ bēizi kē zài shuǐchí biān shàng, bēikǒu kē diào le yí kuài.She carelessly knocked the cup against the edge of the sink and chipped a piece off the rim.