be up to

1) (to be busy or occupied with (an activity etc): What is he up to now?) (essere occupato con)

2) (to be capable of: He isn't quite up to the job.) (essere all'altezza di)

3) (to reach the standard of: This work isn't up to your best.) (essere all'altezza di)

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