to have no remaining phone balance or battery
être à court de batterie ou de crédit téléphonique (etre a court de batterie ou de credit telephone)
"My phone ran out of battery during the call."
"Mon téléphone est tombé en panne de batterie pendant l'appel." (mon telephone **est tombe en panne** de batterie pendant l'appel.)
to make muscles stronger and more defined
to think carefully about comments or evaluations to improve
to connect to a meeting or call, especially online
to register or enroll in a course or activity
to transfer control or responsibility to someone else
to make major changes in an organization to improve it