Unable to post Chinese Character?

I was unable to post Chinese wording to the WordPress when I wanted to post the Chinese lyrics of One Half (一人一半). Ended up when I google there isn’t much information but then it drills down to the version upgrade of my WordPress.

To solve it, I have to change the config.php as mentioned in the link here
But still, my tag is unable to process the chinese character as I did not change the collation to utf8-unicode. It is still running under the latin_swedish_ic something

pixel Unable to post Chinese Character?

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