(I) don't mind if I doold-fashionedTHANK used humorously to accept something such as food or drink that has been offered to you 好的〔用于幽默地接受食物或饮料〕(I) don’t mind if I do• "Would you like another piece of cake?" "Thanks - don't mind if I do."
→ (I) don’t mind if I do at mind2(SPOKEN SECT)