immature
adj
ˌɪməˈtʃʊə
adj
1
someone
who
is
immature
behaves
or
thinks
in
a
way
that
is
typical
of
someone
much
younger
–
used
to
show
disapproval
〔行为、思想〕不成熟的〔含贬义〕;
He
forgave
his
son’s
immature
behaviour.
他原谅了儿子的幼稚行为。
2
not
fully
formed
or
developed
发育未全的
measures
to
protect
immature
whales
保护幼鲸的措施