yǔ​máo​wèi​fēng

young and immature

Senses

羽毛未丰/ 羽毛未豐 yǔ​máo​wèi​fēng young and immature

Literally "feathers not yet full-grown"; used to describe someone who is young, inexperienced, or lacks the power and status to act independently.

References

synonym 羽毛未丰/羽毛未豐 → 羽翼未丰/羽翼未豐