-traveloverlandandwater;crossmountainsandriver;makeanarduousjourney;overthehillsandthroughtherivers;scalemountainsandfordstreams;travelbyclimbinguphillsandwadingover[through]rivers;travelovermountainsandrivers:
Acrosshillsandrivers，theywalkedmorethantwohundredkilometresandarrivedatalittlehamletnestlinginthegreenmountains.他们跋山涉水，步行二百余公里，来到了一个青山环抱的小村庄。