unfledged
adj. 羽毛未丰的；未充份发达的；未成熟的
近义词：adolescent，childish，immature，inexperienced，naive，innocent，fresh，ignorant，fledgeless，fledgling，unvaned，callow，fledged，full-fledged，
英英释义
Adjective
- (of birds) not yet having developed feathers;
"a small unfledged sparrow on the window sill"
- (of an arrow) not equipped with feathers;
"shot an unfledged arrow"
- young and inexperienced;
"a fledgling enterprise" "a fledgling skier" "an unfledged lawyer"