“奔波”常见的英文表达有 “be on the run”、“rush about” 或 “go around busily” 等，具体使用哪个表达取决于语境：
be on the run：常用来形容人为了某事而忙碌奔波，四处奔走，带有一种持续、忙碌且可能有些疲惫的意味。
例句：He has been on the run for the past few weeks, trying to finish the project before the deadline.（过去几周他一直在奔波，试图在截止日期前完成这个项目。）
rush about：强调动作的匆忙和来回奔走，突出忙碌且慌张的状态。
例句：She was rushing about all morning, preparing for the important meeting.（她整个上午都在奔波，为这场重要会议做准备。）
go around busily：侧重于描述人忙碌地四处走动、处理各种事情的状态。
例句：The salesman went around busily, trying to close more deals.（那个推销员四处奔波忙碌，试图做成更多生意。）