[guā shú dì luò]
Fruits fall off when ripe.; At the right time everything comes easy.; At the right time things are easily managed.; A thing will happen when conditions are ripe.; The stem of a melon breaks off from the stock when the melon is ripe.; When the melon is ripe, the calyx falls.; When the melon is ripe, it falls from the stalk.; When a melon is ripe, it falls off its stem -- things are easily settled once conditions are ripe.; when the melon is ripe, it will drop by itself.