tán / pàn / shí / rú / guǒ / fā / xiàn / duì / fāng / yǒu / tā / xīn / jiù / yào / gèng / jiā / jǐn / shèn

谈判时如果发现对方有他心，就要更加谨慎。

If you notice that the other side has ulterior motives during negotiations, you should be more careful.