to understand something fully
comprendre quelque chose complètement (comprendre quelque chose complètement)
"It took me a while to get a grasp of the new software."
"Il m'a fallu un certain temps pour comprendre le nouveau logiciel." (Il ma fallu un certain temps pour comprendre le nouveau logiciel.)
something of very high quality or luxurious
to force someone to leave
to say someone said something they did not
to attack someone's most vulnerable point
to reduce the time needed for something
to experience a sudden failure or breakdown