sponge on -用法

sponge on

live on as a dependent or parasite 依赖…生活；寄生于

He is too lazy to work and prefers to sponge on his brother．他懒得去工作，宁可让兄弟来养活他。

He's done no work for years，and lives by sponging on his relations．他几年没有做事，依赖亲戚过日子。