Correct
小金库
/ xiǎojīnkù /
Strokes
Definition
supplementary cash reserve/private fund/private hoard/slush fund
Example
As a Noun
small exchequer ［privately owned by a unit, often in violation of fiscal regulations］; unauthorized departmental coffer
1
Sīshè
私设
xiǎojīnkù
小金库
set up one's own exchequer
As a Noun
private savings ［usu secret from other family members］