boots on the ground
面临实际问题或挑战，采取实际行动解决问题
正式/口语·强调实际行动或现场参与
英文释义
the presence of military personnel on or near the battlefield; typically used to refer to the need for physical presence or action in a situation
例句
We need boots on the ground to assess the situation in the disaster zone.
典故来源
源自军事术语，指实际部署的士兵，后泛指现场人员。