He called down to the boy again, "Hello, young man!"

他又一次朝下面的男孩喊道：“你好，年轻人！”

youdao

When I was walking home by myself and this boy was, too, I said "hello".

当我一个人走回家的时候，这个男孩也是，我说了声“你好”。

youdao

There's a little boy here who thinks it would be cool to say hello to you.

这里有一个小男孩认为能和你打个招呼是件非常酷的事。

youdao

"Hello Alfred, I've not seen you for years, not since you were a little boy."

VOA: special.2009.03.07

The boy called out hello and beeped his horn at everyone they met.

NEWYORKER: A Tiny Feast