yǐ​yǐn​tóu​yú

to use a small sacrifice for a large gain

Senses

以蚓投鱼/ 以蚓投魚 yǐ​yǐn​tóu​yú to use a small sacrifice for a large gain

To use an earthworm as bait to catch a fish; used to describe offering something small or of little value to obtain something much more valuable.

References

synonym 以蚓投鱼/以蚓投魚 抛砖引玉/拋磚引玉