HSK 7-9
纯粹
chúncuì形副
pure; unadulterated; purely; completely
他帮助别人纯粹出于善意。
Tā bāng zhù bié rén chún cuì chū yú shàn yì.
He helps others purely out of goodwill.
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Appears across levels (7-9) in the HSK 3.0 word list.