to stop yourself from expressing something
s'empêcher d'exprimer quelque chose (s'empecher d'exprimer quelque chose)
"He wanted to tell her everything but held back his words."
"Il voulait tout lui dire, mais s'est retenu de ses paroles." (Il voulait tout lui dire, mais **s'est retenu** de ses paroles.)
to assign follow-up tasks to specific people
to perform well under pressure or in challenging situations
to remove dirt or stains by rubbing hard
to start considering or accepting new ideas or opinions
to release emotions such as anger or frustration safely
to stay calm and focused in stressful situations