2 sentences

1. 他在比赛的最后阶段突然发力，冲过了终点线。

   tā zài bǐ​sài de zuì​hòu jiē​duàn tū​rán fā​lì, chōng guò le zhōng​diǎn​xiàn.

   He put on a sudden burst of speed in the final stage of the race and crossed the finish line.

   Source: Dong Chinese Dictionary

2. 这家科技公司今年在人工智能领域开始全面发力。

   zhè jiā kē​jì gōng​sī jīn​nián zài rén​gōng​zhì​néng lǐng​yù kāi​shǐ quán​miàn fā​lì.

   This tech company has started to go all out in the field of artificial intelligence this year.

   Source: Dong Chinese Dictionary