immature

音標發(fā)音

I was really an immature little girl back then.
我那時候真的是一個不成熟的小女孩。
But he turned out to be immature and irresponsible.
但結(jié)果他是個不成熟和不負責任的人。
edu.sina.com.cn
Maturity is more about education and life experience than it is about age. I know plenty of mature 30-somethings and immature 50-somethings.
成熟和年齡無關，更多的是教育和生活經(jīng)歷，我就知道很多30歲的很成熟，而50多歲不成熟的人。

"It was an inexperienced, immature driver who felt that he was invincible, driving at night with a carload of kids.
Freud was--As you're pointing out, Freud was notorious for pointing, for suggesting that women were morally immature relative to men.
正如你剛才指出的，弗洛伊德因一個觀點的提出而臭名遠揚，他認為，與男性相比,女性在道德上是不成熟的。
耶魯公開課 - 心理學導論課程節(jié)選
If you isolate those immature cells, some of them are less mature than others, some of them have more potential than others.
如果分離這些未成熟細胞,會發(fā)現(xiàn)有一些細胞成熟程度更低,它們比其他細胞更具潛能
耶魯公開課 - 生物醫(yī)學工程探索課程節(jié)選

HIV, because the lining of the neck of an immature womb is less tough.
ECONOMIST: Women and HIV

not behaving in a way that is as calm and wise as people expect from someone of your age