a hill of beans

US /ə hɪl əv biːnz/
UK /ə hɪl əv biːnz/
"a hill of beans" picture
1.

何の価値もない, 取るに足らない

something of little or no value or importance (usually used in negative constructions)

:
His opinion isn't worth a hill of beans to me.
彼の意見は私にとって何の価値もない
Without proper funding, their plans aren't worth a hill of beans.
適切な資金がなければ、彼らの計画は何の価値もない