打头阵

In a sentence

• 这次活动中，他主动提出要打头阵。

  In this event, he voluntarily proposed to take the lead.

  Here, 打头阵 is used to describe someone volunteering to lead or start an initiative.

• 在战斗开始时，士兵们决定由最勇敢的人打头阵。

  At the beginning of the battle, the soldiers decided that the bravest person would take the lead.

  Here, 打头阵 conveys the idea of leading in a challenging situation, often implying courage and determination.

• 新产品推广活动中，我作为团队负责人打头阵，为大家做了示范。

  During the new product promotion event, I, as the team leader, took the lead and demonstrated for everyone.

  Here, 打头阵 is used to indicate initiating or exemplifying actions in a professional or organizational context.