down to something

Từ điển Oxford Advanced Learner 8th

▪ I. be down to sb/sth idiom
to be caused by a particular person or thing
•She claimed her problems were down to the media.
Main entry: ↑down_idiom
 
▪ II. be down to sth idiom
to have only a little money left
•I'm down to my last dollar.
Main entry: ↑down_idiom