adjective · clear and transparent, especially in reference to water or liquids

月光洒在澄净的湖面上，银光闪闪。

proper name · surname Cheng

澄先生是我的邻居。

verb · to become clear as a result of the sedimentation process

水缸里的混水澄了几个小时，现在已经变清了。

verb · to allow sediment or impurities in a liquid to sink to the bottom

这缸水太浑了，得澄一会儿才能用。

verb · to clarify or purify a liquid; to make a situation or facts clear

在这种关键时刻，必须澄心静虑才能做出正确的选择。