tán / pàn / yǐ / jīng / dào / le / guān / jiàn / shí / kè / shuāng / fāng / dōu / zhǔn / bèi / bèi / shuǐ / yī / zhàn谈判已经到了关键时刻,双方都准备背水一战。The negotiations had reached a critical moment, and both sides were ready to fight to the end.