61.谁言寸草心报得三春晖 Such kindness of warm sun, can't be repaid by grass.
62.水涨船高 When the river rises, the boat floats high.
63.时不我待Time and tide wait for no man.
64.杀鸡用牛刀break a butterfly on the wheel
65.实事求是seek truth from facts; be practical and realistic; be true to facts
