He was a young fellow, very green, very immature.

他是个年轻的家伙，没什么经验，很不成熟。

The good young fellow alighted and killed his horse with his sword, and gave it to them for food.

这个善良的年轻人下来，用他的剑杀死了他的马，把它给了它们作为食物。

This is An An, a young fellow.

这位呢叫安安，是个小伙子。

He was a handsome young fellow.

他是一个漂亮的年轻小伙子。

Come with us, young fellow!

来我们这儿，年轻人！