2 sentences

1. 比赛将于下午两点准时开赛。

   bǐ​sài jiāng yú xià​wǔ liǎng​diǎn zhǔn​shí kāi​sài.

   The match will start on time at 2:00 PM.

   Source: Dong Chinese Dictionary

2. 在开赛的前几天，运动员们都在加紧训练。

   zài kāi​sài de qián jǐ tiān, yùn​dòng​yuán men dōu zài jiā​jǐn xùn​liàn.

   In the days leading up to the competition, the athletes were intensifying their training.

   Source: Dong Chinese Dictionary