Tā péiyǎng le yī pī yǔyì lái xiézhù zìjǐ de gōngzuò.
He cultivated a group of aides to assist in his work.
Tips
usage
羽翼丰满 (yǔyì fēngmǎn, lit. 'wings fully feathered') is a very common idiom meaning someone has grown capable and independent, or an organization has become powerful. Used both for individuals coming of age and for political/organizational power.
