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.
Angļu vārds "być do"(be up to) notiek komplektos:
Phrasal verbs