signal caller

• 主要用于美式橄榄球，指负责叫战术并指挥进攻的四分卫。也可广义指在团队或组织中负责指挥、掌控全局的人。

A term used primarily in American football to refer to the quarterback, who is responsible for calling plays and directing the offense on the field. It can also be used more broadly to describe someone who takes charge or directs operations in a team or organization.

1. Quarterback in American FootballB2formalamerican

   The player on the offensive team who calls the plays and directs the team's strategy on the field.

   美式橄榄球四分卫

   • The signal caller threw a perfect pass to the wide receiver.
   • As the team's signal caller, he is responsible for reading the defense.
   • The coach relies heavily on his experienced signal caller.

2. Person in charge of directing operationsC1informalamerican

   A person who gives instructions or coordinates actions in a group or organization.

   调度指挥者

   • In the emergency room, the head nurse is the signal caller.
   • The project manager acts as the signal caller for the development team.
   • During the crisis, he became the primary signal caller for the response effort.