There is no benefit in him / It is of no use
Useless. Cannot be of benefit.
("And among the elders of Midian were the sorcerers who said: If he comes with us, he will succeed, but if he delays even one hour, there is no benefit in him" - Midrash Tanchuma (Warsaw), Parashat Balak, section 5)
Translation
Expression (Hebrew)
אֵין בּוֹ תּוֹעֶלֶת
Definition (Hebrew)
חֲסַר תּוֹעֶלֶת. לֹא יָכוֹל לְהוֹעִיל.
(" וּבְיַד זִקְנֵי מִדִּין הָיוּ הַקּוֹסְמִים שֶׁאָמְרוּ: אִם יָבֹא עִמָּנוּ יַצְלִיחַ, וְאִם יְעַכֵּב שָׁעָה אַחַת אֵין בּוֹ תּוֹעֶלֶת"- מִדְרַשׁ תַּנְחוּמָא (וַרְשָׁא) פָּרָשַׁת בָּלָק סִימָן ה)