1. be up to
Let's take the train-I don't think I'm up to driving so far. The children must be up to sth-they're very quiet.
1. I don't think I'm up to driving so far. 2. The children must be up to something.
The children must be up to something.
Inglese parola "być do"(be up to) si verifica in set:
Phrasal verbs