to phone someone
appeler par téléphone (appeler par telephone)
"I’ll call up my friend to invite him to dinner."
"Je vais appeler mon ami pour l'inviter à dîner." (Je vais appeler mon ami pour l'inviter à dîner.)
to continue going; to tell someone to keep moving
to discover or encounter something while moving or traveling
to prepare for something in advance
to mix naturally with people or surroundings
to grow a concept so it works in many countries
to take measures to defend from threats or attacks