zhè / gè / tán / pàn / duì / shǒu / gōng / yú / xīn / jì / wǒ / men / bì / xū / jǐn / shèn / yìng / duì

这个谈判对手工于心计，我们必须谨慎应对。

This negotiating opponent is very scheming, so we must respond carefully.