Phono-semantic — one part hints at the meaning, another at the sound
Example phrases
地下通道又潮湿又阴暗,居民多次要求增加照明。Dìxià tōngdào yòu cháoshī yòu yīn'àn, jūmín duōcì yāoqiú zēngjiā zhàomíng.The underpass is damp and dark, and residents have repeatedly asked for more lighting.
山洞里阴暗潮湿,大家打开手电筒照路。Shāndòng lǐ yīn'àn cháoshī, dàjiā dǎkāi shǒudiàntǒng zhào lù.The cave is dark and damp, so everyone turned on flashlights to light the way.
这间屋子窗户太小,白天也很阴暗。Zhè jiān wūzi chuānghu tàixiǎo, báitiān yě hěn yīn'àn.The window in this room is too small, so it is dark even during the day.