不衰 bùshuāi unfailing Origin Definitions Defs Strokes Stroke Words Sentences Sents 长盛不衰 chángshèngbùshuāi ever-prosperous to flourish for a long time without fading; ever-prosperous; enduring经久不衰 jīngjiǔbùshuāi unfailing durable; never-ending; standing the test of time