"Dear boy," she crooned, hugging him heartily.

“亲爱的男孩儿，”她热烈地拥抱着他，柔情地说道。

《柯林斯英汉双解大词典》

Here is a knife to sharpen your pencil, my dear boy.

孩子，这儿有把小刀可以削你的铅笔。

youdao

The old man said, "Dear boy, my heart is just as beautiful as your heart."

老人说：“亲爱的孩子，我的心和你的心一样美丽。”

youdao

Britain's relationship with the EU is changing not because of any decision taken in Westminster or by the British people but thanks to "events, dear boy, events".

BBC: Global economy: Britain out of Europe

In The Game Boy, Matthew Gandolfo and Robin Rothstein's family-friendly musical, a well-taught lad dubbed Chase purportedly falls a bit too head over heels for his dear Game Boy, which presumably leads to all kinds of childhood development issues.

ENGADGET: The Game Boy musical teaches addict a lesson