legwork /ˈlɛɡˌwɜːk/

• 1. 

  N-UNCOUNT You use legwork to refer to work that involves physical activity such as interviewing people or gathering information, especially when this work forms the basis of other, more intellectual work. 跑腿的工作

  例：

  He assisted in unofficial ways with the routine legwork in various investigations.

  他在多个调查中例行外勤以非正式的方式来进行协助。