Koreans are still learning Chinese emphasis on simple day-to-day dialogue, this ability is very limited, I call it 'market Chinese' or 'street Chinese'.

韩国人学习汉语仍然偏重于简单的日常对话，这种表达能力是很有限的，我称之为‘市场汉语’或者‘街上汉语’。

youdao

But no acts of piracy or illegal detention have been reported involving Chinese and South Koreans.

WSJ: Chinese Fishermen Held in North Korea

LaSorda responds that Chinese automakers are coming to the U.S. sooner or later anyway, moving even faster than the Japanese and Koreans.

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