The traffic on the approach road slowed to a crawl.引路上车辆行驶缓慢。Paul said he knew how to do the job and offered to show Tom, but it ended up as the blind leading the blind.保罗说这活儿他会做,还主动说要做给汤姆看,但结果却像瞎子给瞎子引路。I usually do the driving and he navigates.通常我负责开车,由他引路。