十分 (shí fēn) means “very; completely; utterly; extremely; absolutely; hundred percent; to divide into ten equal parts”. It is an HSK 4 Chinese word in the HSK 3.0 vocabulary.
他对这件事十分重视。
Tā duì zhè jiàn shì shífēn zhòngshì.
He attaches great importance to this matter.
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