Examples of using "いい子だ" in a sentence and their english translations:
Good girl!
Good girl!
She's a really nice girl.
Tom is a very clever boy.
Don't cry, there's a dear.
- Be a good boy and eat your vegetables.
- Be a good girl and eat your vegetables.
Now be a good boy and go beddy-byes.
Good, good, you're a sweet child so you're going to bed now.
Looks aside, she is very good-natured.
He is noisy, but otherwise a very nice boy.
He said. "What a pretty girl she is!"
Do you think I'm a cute kid?