bǐ / sài / kāi / shǐ / qián / yùn / dòng / yuán / men / dōu / zài / hòu / chǎng / qū / zuò / zhǔn / bèi

比赛开始前，运动员们都在候场区做准备。

Before the competition starts, the athletes are all preparing in the waiting area.