“不成熟”造句

他还是个毛头小子，幼稚得很，一点都不成熟。
He was a young lad, very green, very immature.

他暗示我们情感上还不成熟。
He implied that we were emotionally immature.

他意识到自己的举动很不成熟。
He knew that he had behaved childishly.