1. 发育未全的;不成熟的
Something or someone that is immature is not yet completely grown or fully developed.
e.g. The birds were in immature plumage...
这些鸟儿羽翅未全。
e.g. She is emotionally immature.
她情感上不成熟。
immaturityIn spite of some immaturity in the figure drawing and painting, it showed real imagination.
尽管这幅画的人物勾勒和着色略显稚嫩,但它却表现出了真正的想象力。
2. 冒失的;鲁莽的;冲动的
If you describe someone as immature, you are being critical of them because they do not behave in a sensible or responsible way.
e.g. ...grossly immature drivers who flout the rules of the road...
无视交通法规、极端鲁莽的司机
e.g. She's just being childish and immature.
她在耍小孩子脾气,真是任性。
immaturity...his immaturity and lack of social skills.
他冒失鲁莽,缺乏社交技巧