盛行 shèngxíng to be in vogue
to be in vogue; to be popular; to be prevalent
How to remember 盛行: 盛 abundant + 行 go = to be in vogue.
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How it is used
- Says a practice or trend is widespread and flourishing - 这种发型在九十年代很盛行 (zhè zhǒng fàxíng zài jiǔshí niándài hěn shèngxíng) this hairstyle was all the rage in the '90s.
- Compare 流行 (liúxíng, popular/trendy): 流行 is neutral everyday fashion, while 盛行 stresses that something prevails on a large scale, often customs, ideas, or bad practices.
- Note 盛 here is shèng (flourishing), not chéng (to hold in a container).