变化无常 biànhuàwúcháng changeable Origin Definitions Defs Strokes Stroke Words Sentences Sents 1 sentence 气温变化无常,出门时要注意随时增减衣服。 qìwēn biànhuàwúcháng, chūmén shí yào zhùyì suíshí zēngjiǎn yīfu. The temperature is unpredictable, so be mindful of adding or removing clothing as needed when going out. Source: Dong Chinese Dictionary