set on somebody

Từ điển tiếng Anh - Cambridge Advanced Learners Dictionary

set on/upon sb phrasal verb [ setting on/upon sb sets on/upon sb ]
1. often passive to attack someone
• He was set upon by a vicious dog.
Thesaurus⁺: ↑Physical and sexual assault and abduction ↑Sexual activity in general
2. to surround or catch someone and prevent them from escaping
• As he left the theatre, the singer was set upon by fans desperate for autographs.
Thesaurus⁺: ↑Physical and sexual assault and abduction ↑Sexual activity in general
Main entry: set_{phrasal verb}