后患无穷

后患无穷 [hòu huàn wú qióng]

1. ■ no end of trouble for the future; an endless flow of disastrous aftermath; be a constant source of further troubles; bring sb. endless trouble; bring sb. evil consequences unceasingly; be fraught with danger ever afterwards.; Disastrous aftermaths are inexhaustible.; lead to [have] endless trouble; leave many possibilities for endless trouble; source of endless trouble; There will be no end of disastrous aftermaths.; There will be the deuce to pay.