The objection that the ban would reduce restaurants' revenues is ill founded.

反对该禁令会减少餐馆收入的说法是站不住脚的。

youdao

It may be tempting to think that Chrome OS could spell an end to other, less widely supported distributions of Linux, but I think such concerns are ill founded.

使人发生兴趣的想法也许是，铬操作系统可能会招致其他支持较少的Linux发行版死去，但我认为这种忧虑是没有根据的。

youdao

All our fears proved ill-founded.

我们所有的担心结果都证明是杞人忧天。

《牛津词典》

He said the EU scheme had been devised more than 20 years ago, primarily to deal with surpluses of the Common Agriculture Policy but the arguments for continuing it were "ill founded and unconvincing".

BBC: EU food aid programme debate

Again the idea that some people are inherently trusting, whilst others are not, appears ill-founded.

ECONOMIST: Economics focus

The minister said he deplored "ill-founded and irresponsible" comments that the closure would place lives at risk.

BBC: Health minister statement