fully fledged
adjective UK uk/ˌfʊl.i ˈfledʒd/ us/ˌfʊl.i ˈfledʒd/ (US full-fledged)
充分发展的；经过全面训练的；成熟的
completely developed or trained
What started as a small business is now a fully fledged company. 当初的小公司现在已经是一家成熟的公司了。
After years of study, Tim is now a fully fledged architect. 经过多年的学习之后，蒂姆现在已经是一位成熟的建筑师了。