a boyish young man

• 稚气的小伙子

a boyish young man的用法和样例：

例句

1. His young bony face spread in a great grin.
   那瘦瘦的稚气的脸上嘴巴咧得大大的，做出一副傻笑。
2. I haven't heard her young screechy voice.
   我一直没听见她那稚声稚气的尖嗓门。