先せん頭とうを切きる

expression, godan verb (-ru)

take the lead; go first; lead the way

Used when someone physically or figuratively moves ahead of others, often in a race, procession, or initiative.

• 彼かれは先せん頭とうを切きって走はしり出だした。

  He took the lead and started running.

• 新しん製せい品ひんの開かい発はつで、わが社しゃが先せん頭とうを切きった。

  Our company took the lead in developing the new product.