look after yourself

Từ điển Oxford Advanced Learner 8th

ˌlook ˈafter yourself/sb/sth derived
(especially BrE)
1. to be responsible for or to take care of sb/sth
• Who's going to look after the children while you're away?
• I'm looking after his affairs while he's in hospital.
•Don't worry about me— I can look after myself (= I don't need any help).
2. to make sure that things happen to sb's advantage
•He's good at looking after his own interests.
Main entry: ↑look_derived