tā / zài / tán / pàn / zhōng / shǐ / zhōng / jìn / tuì / zhòng / shéng / méi / yǒu / ràng / duì / fāng / gǎn / dào / mào / fàn

他在谈判中始终进退中绳，没有让对方感到冒犯。

Throughout the negotiation, he always acted appropriately and never offended the other side.