suī / rán / tā / men / yì / kāi / shǐ / chǔ / yú / liè / shì / dàn / dà / jiā / dōu / xiāng / xìn / āi / bīng / bì / shèng

虽然他们一开始处于劣势，但大家都相信哀兵必胜。

Although they were at a disadvantage at first, everyone believed that the underdog would win.