stand in

Từ điển tiếng Anh - Cambridge Advanced Learners Dictionary

stand in phrasal verb ( US usually fill in ) [ stood in stood in stood in stands in standing in ]
to do the job that another person was going to do or usually does, or to take their place at an event, because they cannot be there
• Paula stood in for Jane, while Jane was on holiday.
Thesaurus⁺: ↑Replacing and exchanging
Main entry: stand_{phrasal verb}