unfledged
adj. 未成熟的,羽毛未丰的,未充分发达的
1. (of birds) not yet having developed feathers;
2. (of an arrow) not equipped with feathers;
3. young and inexperienced;
And Hareton has been cast out like an unfledged dunnock!
哈里顿就像个羽毛还没长好的篱雀似的给扔出去了!
A small unfledged sparrow on the window sill.
窗台上有一只羽毛未丰的小麻雀.