就是
jiùshì
exactly; precisely; only; simply; just
In a story
“一般来说,大家觉得读书就是为了考试。”"Generally speaking, people think studying is for exams."茶馆里的道理 · The Reason in the Tea House · HSK 4
小郑二十二岁,干活很快,就是话多,没耐心。Xiao Zheng was twenty-two. He worked fast, but he talked a lot and had no patience.装修 · The Renovation · HSK 4
Grammar with 就是
不是…就是
不是…就是… — if not … then … (one of two)
X就是了
…就是了 — just …, and that's that
X来X去,都是/就是
…来…去,(结果)都是… — after all the back-and-forth, still …
V什么就是什么
V什么(就)是什么 — whatever V-s is exactly what counts

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