immature

剑桥词典

C2 disapproving
not behaving in a way that is as calm and wise as people expect from someone of your age
不成熟的
Stop being so silly and immature, Chris! 克里斯，不要这么愚蠢幼稚！
She's rather immature for her age , don't you think ? 她都这么大了，你不觉得她显得相当幼稚吗？
disapproving
not having much experience of something
没经验的
politically immature 政治上不成熟
biology   specialized
not yet completely grown or developed
未长成的，发育未全的
While the animals are still immature, they do not breed . 动物发育未全时不会生育。 返回 immature