C142 Do your best

After I told him the address, Zhou Ruoting entered the address into the navigation system and the map immediately came out, showing a number of kilometers. Zhou Ruoting looked at the map and said, "Looking at the distance, if it doesn't rain, we should be able to reach here in an hour and 20 minutes."

I replied, "Actually, it's not a big deal. There's no need to drive too fast