to suddenly become angry
enfadarse de repente (en-fa-dar-se de re-pen-te)
"Try not to lose your cool during the argument."
"Trata de no perder los estribos durante la discusión." (tra-ta de no per-der los es-tri-bos du-ran-te la dis-cu-sion)
to improve one's position, typically in a career or personal...
a decision has not yet been made
To risk everything on one big decision.
to surprise or impress someone very much
to be remembered for something important or significant
To feel extremely thankful.