sponge on

动词 sponge on:

1. apply with a sponge

1. A gentleman may have money or may sponge on his friends; the criterion of a gentleman is that however poor he may be he still refuses to do useful work.
   绅士可能有钱、或者可能依赖朋友过活; 绅士的准则是，无论他怎么穷也罢，他依然是拒绝做任何有用的工作的。