to make a decision that cannot be reversed
prendre une décision irréversible (prendre une decision irreversible)
"Be careful not to burn your bridges with your old employer."
"Fais attention à ne pas brûler tes ponts avec ton ancien employeur." (Fais attention à ne pas **brûler tes ponts** avec ton ancien employeur.)
to see things positively rather than negatively
to give someone responsibility for something important
clearly defined; without confusion or ambiguity
to stop yourself from saying something you want to say
to suddenly become nervous before doing something important
to work very hard to achieve something