be up to

1) (to be busy or occupied with (an activity etc): What is he up to now?) être occupé à

2) (to be capable of: He isn't quite up to the job.) à la hauteur (de)

3) (to reach the standard of: This work isn't up to your best.) être à la hauteur (de)

4) (to be the duty or privilege of: It's up to you to decide; The final choice is up to him.) appartenir à

English-French dictionary. 2014.