drag somebody down

Từ điển Oxford Advanced Learner 8th

▪ I. ˌdrag sbˈdown derived
to make sb feel weak or unhappy
•Dwelling on the past only drags you down.
Main entry: ↑drag_derived
 
▪ II. ˌdrag sb/sthˈdown (to sth) derived
to bring sb/sth to a lower social or economic level, a lower standard of behaviour, etc
•If he fails, he'll drag us all down with him.
Main entry: ↑drag_derived