1. 小鸟,无经验的人：clip 简短,修剪 | fledgeling 小鸟,无经验的人 | flake 雪花

2. 刚长毛的鸟：fledgeless 羽毛未丰的 | fledgeling 刚长毛的鸟 | fledging 雏鸟

3. 刚长毛的鸟/初出茅芦者：fledged /羽毛长齐的/快会飞的/随时能飞的/ | fledgeling /刚长毛的鸟/初出茅芦者/ | fledging /羽毛初长的雏鸟/刚会飞的幼鸟/无经验的人/

4. 初出茅芦者：fledgeling 刚长毛的鸟 | fledgeling 初出茅芦者 | fledgingfledgling 无经验的人

noun

1. young bird that has just fledged or become capable of flying

Synonym: fledgling

2. any new participant in some activity

Synonym: newcomerfledglingstarterneophytefreshmannewbieentrant