to start singing suddenly out of happiness
se mettre à chanter soudainement par bonheur (se mettre à chanter soudainement par bonheur)
"He burst into song when he got the good news."
"Il s'est mis à chanter quand il a reçu la bonne nouvelle." (Il s'est mis a chanter quand il a recu la bonne nouvelle)
to stay in front or make progress faster than others
to concentrate on your inner thoughts and emotions
to express anger strongly
to observe a colleague closely to learn
to defend or support the idea of peace in conflicts
to avoid eating or drinking something unhealthy