I want to become a good boy and be a comfort to my father.

我想成为一个好男孩，成为我爸爸的安慰。

youdao

I'm going to be a good boy now.

我现在要做一个听话的男孩。

《柯林斯英汉双解大词典》

Be a good boy, Tukey, and run across and help the old woman, won't you?

做个好孩子，杜克，跑过去帮助那位老太太，好吗？

youdao

We are doing so fine, be a good boy.

CNN: Jack Ma Talkasia Transcript

"I wanted her last thought of me to be that I loved her, and that I would be a good boy, and that I know she's going to look over me and that we're going to meet again someday, " he said.

CNN: SHARE THIS

She will be much happier if the child is a boy, and will be able to make a successful loaf, using good flour and a little milk.

ECONOMIST: Renaissance advice books