You did your best.
You worked hard.
よく頑張ったね。
You did your best.
You worked hard.
You were kind.
You did your best.
You did your best.
You tried hard.
You did it, didn't you?
You're good at this.
I used to do that a lot.
You are working hard, aren't you?
You've done a good job. Keep it up.