好些 (hǎo xiē) is a colloquial quantifier meaning 'quite a few' or 'many'—used primarily before nouns to indicate an indefinite but relatively large quantity. Though it looks like two separate characters, 好 and 些, it functions as a fixed phrase: 好 intensifies the meaning (like 'good/very'), while 些 means 'some' or 'a few'; together they convey a stronger sense of abundance than just 一些 (yīxiē). It’s more informal and conversational than formal alternatives like 许多 (xǔduō) or 大量 (dàliàng), and commonly appears in spoken Mandarin and casual writing.

This term typically modifies countable nouns (e.g., people, books, days) and occasionally uncountables in context (e.g., time, trouble). Unlike numerals, it doesn’t require measure words — you say 好些朋友, not 好些个朋友 (though 好几个 is also possible in some dialects). It often implies a noticeable or noteworthy amount, sometimes with a subtle nuance of surprise or emphasis ('more than expected').