Н170
ИДТИ (ШАГАТЬ) В НОГУ скем-чемИДТИ ШАГ В ШАГ
VPsubj:
human or a noun denoting a branch of technology, school of thought
etc) to progress at a pace equal to that of (another person, branch of technology
etc, or the times in general)
X идет в ногу с Y-ом - X keeps up (keeps pace) with Y
X идет в ногу со временем (с веком) = X keeps (is) in step with the times.