to relax your body or mind; to become less tense
détendre votre corps ou votre esprit; devenir moins tendu (detendre votre corps ou votre esprit; devenir moins tendu)
"You need to loosen up and stop being so serious."
"Vous devez vous détendre et arrêter d'être si sérieux." (vous devez **vous detendre** et arreter d'etre si serieux)
to get comfortable because something will take a while
to cooperate or collaborate with someone
to prepare for something gradually
to suddenly express anger or criticize someone strongly
to be unable to access a system due to password or error
to remain at home instead of going out