unhelpful

US /ʌnˈhelp.fəl/
UK /ʌnˈhelp.fəl/
"unhelpful" picture
1.

役に立たない, 助けにならない

not helpful; not providing assistance or support

:
His comments were completely unhelpful.
彼のコメントは全く役に立たなかった
The instructions were so unhelpful that I couldn't assemble the furniture.
説明書が役に立たなすぎて、家具を組み立てられなかった。