一马当先

bù guǎn rèn wù duō me jiān jù tā zǒng shì yī mǎ dāng xiān qiǎng tiāo zhòng dàn

不管任务多么艰巨，她总是一马当先，抢挑重担。

No matter how difficult the task is, she is always the first to shoulder heavy responsibilities.

zhè ge jiā huo zǒng shì yī mǎ dāng xiān

这个家伙总是一马当先。

This guy always takes the lead.

tā de jìng zhēng duì shǒu yī mǎ dāng xiān

他的竞争对手一马当先。

His competitors have led the charge.