to hide the truth about something
cacher la vérité sur quelque chose (cacher une erreur ou une faute.)
"They tried to cover up the mistake."
"Ils ont essayé de cacher l'erreur." (Ils ont essaye de couvrir leur erreur en modifiant le rapport.)
to begin to see signs of improvement after a long period of...
to stop something; to end support for a project or activity
A work of outstanding artistry or craftsmanship.
to cover up a problem without truly fixing it
to be more successful than competitors
to be responsible for a mistake or bad situation.