There also have to be serious objections against the accused.

So far, none of the unions have raised serious objections.

I know that there are some serious objections to this approach.

He was perfectly willing to go along with the plan and raised no serious objections.

"And now, if you have no serious objections, may we get a little sleep?"

There is only one serious objection which my mother can see.

But he does not regard the charge as a serious objection to his theory.

That is a reason, despite serious objections, to give a positive verdict.

Nevertheless, I have a number of serious objections to the report as a whole.

We did so despite serious objections from their teachers and principal.