shut something up

Từ điển Oxford Advanced Learner 8th

▪ I. ˌshut sthˈup derived
to close a room, house, etc
•The summer house was shut up for another year and we went back to the city.
Main entry: ↑shut_derived
 
▪ II. ˌshut sb/sth ˈup (in sth) derived
to keep sb/sth in a place and prevent them from going anywhere
Main entry: ↑shut_derived