Langdon tried to think, but his mind refused to engage.

Whatever the reasons, Franklin refused to engage these antagonists in public.

It's future planning - something that Apple refuses to engage in with their customers, current or potential.

Columbia rejected the offer and refused to engage in any discussions.

He said he thought such works were more powerful because they refused to engage critics by playing on their terms.

He refused to engage on online speculation for his job change.

However, the Council refuses to engage in any further discussion and cuts him off.

He was being kind and refusing to engage anything but my blade.

Moreover I refuse to engage in a debate with someone who refuses to distinguish between the two.

They come close to enjoining all scientists to refuse to engage in military research but then back off at the last moment.