do something for somebody

Từ điển tiếng Anh - Cambridge Advanced Learners Dictionary

▪ I. do something/nothing, etc. for/to sb idiom informal
to have/not have a strong and positive effect on someone, or to be/not be something or someone that they like or enjoy
• Watching that film really did something to me.
• Chopin has never really done it/anything for me.
Thesaurus⁺: ↑Affecting and influencing
Main entry: do_idiom
 
▪ II. do sth for sb/sth phrasal verb [ don't sth for sb/sth does sth for sb/sth doesn't sth for sb/sth did sth for sb/sth didn't sth for sb/sth done sth for sb/sth done sth for sb/sth doing sth for sb/sth ]
If a doctor of medicine does something for someone or their illness, they make them better
• Can you do anything for my bad back, doctor?
• These pills I've been taking have done nothing for me.
Thesaurus⁺: ↑Recovering from illness
Main entry: do_{phrasal verb}