"young and small" 用英语可以说为 "young and small" 或 "young and tiny".
这是一个描述词组，用来形容幼小年轻的人或物。
例句：
The young and small puppy was so cute. (那只幼小的小狗非常可爱。)
He was young and small for his age. (他的年龄较小，体型也很小。)
She was a young and small girl, but she had a big personapty. (她是一个幼小的女孩，但她有着坚强的个性。)