Maisyさんのノートも英訳しました。
「みんなの前で自分の名前を言うことができたね」
You could say your name in front of everyone!
「ママ嬉しかったよ」
Mama was so proud of you! / Mama was so happy!
「勇気を出してがんばったね」
You were so brave! / You did your best! / You had so much courage!
「かっこよかったよ」
You were so cool! / You were so awesome!
It was so cool!