Do you have trouble knowing how to talk to strangers at business receptions?

A few, for instance, sometimes had trouble knowing whether someone had actually said or done something.

Asked if his friends had trouble knowing what to call him now, he nodded.

The Center found that homeless men often have trouble knowing when to show up for required appointments.

None of them had any trouble knowing what the other two were thinking.

A century ago, prophets had no trouble knowing what life today would be like.

I, as an Orthodox employee, should have no trouble knowing what temple they were from.

You have already caused a lot of trouble not even knowing the facts.

But most people didn't have any trouble knowing how to react.

Regarding the Doctor, though, she had no trouble knowing what to think.