fledgling
/ˈfledʒlɪŋ/(亦作fledgeling)
noun
1- a young bird that has just fledged刚长出飞羽的幼鸟, 羽翼刚丰的小鸟。
1.1
- usu. as modifier a person or organization that is immature, inexperienced, or underdeveloped（人, 组织）羽翼未丰的, 不成熟的, 初出茅庐的; 幼稚的, 稚嫩的：
the fledgling democracies of eastern Europe.
东欧不成熟的民主政府。
词源
mid 19th cent.: from the obsolete adjective fledge （see FLEDGE）, on the pattern of nestling.