have a say in something

Từ điển tiếng Anh - Cambridge Advanced Learners Dictionary

have a/some, etc. say in sth idiom
to be involved in making a decision about something
• When he's 18, he'll begin to have a/some say in the running of the family business.
• The staff had little/no say in the restructuring of the company.
Thesaurus⁺: ↑Decisions and deciding
Main entry: say_idiom