chuī​shā​chéng​fàn

to cook sand to make rice

Senses

炊沙成饭/ 炊沙成飯 chuī​shā​chéng​fàn to cook sand to make rice

to cook sand to make rice; a metaphor for a futile effort or a waste of energy

References

variant 炊沙成饭/炊沙成飯 炊沙作饭/炊沙作飯
variant 炊沙成饭/炊沙成飯 炊砂作饭/炊砂作飯
variant 炊砂作饭/炊砂作飯 炊沙成饭/炊沙成飯