未熟
Common
I-adj
Noun
1
adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi)
unripe;green;immature
2
adjectival nouns or quasi-adjectives (keiyodoshi)noun (common) (futsuumeishi)
immature;inexperienced;unskilled;green
彼のフランス語の知識は未熟だ。
His knowledge of French is poor.