to start crying because of happiness
commencer à pleurer à cause du bonheur (commencer à pleurer à cause du bonheur)
"She tore up with joy when she heard the good news."
"Elle a fondu en larmes de joie quand elle a entendu la bonne nouvelle." (Elle **a fondu en larmes de joie** quand elle a entendu la bonne nouvelle.)
to remain strong and calm when under stress or pressure
to sing loudly and clearly
to monitor someone's activities or progress
to destroy something completely by fire
to buy and sell a particular product or type of goods
to discover secret or forgotten information