Tā shì gè qīnggāo de xuézhě, cóngbù cānyù zhèngzhì dòuzhēng.
He is a lofty scholar who never gets involved in political struggles.
Tips
usage
清高 can be either a compliment (principled, above corruption) or a criticism (snobbish, standoffish), depending on context. 自命清高 means 'to think oneself above others' - always negative.