call something off

Từ điển Oxford Advanced Learner 8th

▪ I. ˌcall sthˈoff derived
to cancel sth; to decide that sth will not happen
•to call off a deal/trip/strike
• They have called off their engagement (= decided not to get married).
• The game was called off because of bad weather.
Main entry: ↑call_derived
 
▪ II. ˌcall sb/sthˈoff derived
to order a dog or a person to stop attacking, searching, etc.
Main entry: ↑call_derived