have a lot to say for yourself

Từ điển tiếng Anh - Cambridge Advanced Learners Dictionary

have a lot to say for yourself idiom informal disapproving
to talk too much and seem to have a high opinion of yourself
Thesaurus⁺: ↑Showing arrogance and conceit ↑Confidence and self-assurance ↑Boasting ↑Talking too much
Main entry: say_idiom