他的性格温和。

He has a mild nature.

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他看上去可怕，实际却是个性格温和的巨人。

He looks scary but he's really a gentle giant.

《牛津词典》

说他不仅人长的好看，而且气质优雅性格温和，更是远近闻名的钢琴王子，总之就像是传说中的人物。

Say he not only what human grew is good-looking, and qualities the elegant personality is moderate, also a far approximate famous piano prince, in fine is favor a legendary person.

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