down on one's luckto be unlucky, to have no money
[TahlilGaran] Dictionary of Contemporary English ▲
down on one's luck adj.,
informal Having bad luck; having much trouble; not successful in life.
Harry asked me to lend him ten dollars, because he was down on his luck.
The teacher is easy on Jane because Jane has been down on her luck lately. Compare: HARD ROW TO HOE, HARD SLEDDING, ON ONE'S UPPERS.
[TahlilGaran] English Idioms Dictionary ▲