频出 is a compound verb meaning 'to appear repeatedly' or 'to occur frequently.' The first character 频 (pín) means 'frequent' or 'repeated,' while 出 (chū) means 'to come out' or 'to appear.' Together, they convey the idea of something emerging or showing up again and again in a short time or across contexts. It often carries a slightly formal or written tone and is commonly used in news reports, academic writing, or commentary to describe recurring phenomena—such as errors, incidents, trends, or patterns.

This term emphasizes repetition over time rather than simultaneity, and it usually implies that the repeated appearance is notable, unexpected, or worthy of attention. It’s typically used with subjects like problems, mistakes, new species, celebrity sightings, or policy changes. Unlike simple adverbs like 经常 (jīngcháng), 频出 suggests observable recurrence with some degree of prominence or consequence.