They were short but intensive instructions to regard their exit without undue concern.

This does not seem to have caused them undue concern.

One of us can go use the rest room without causing undue concern.

By itself, that's not normally a cause for undue concern.

He had concern for the missing men, but not undue concern.

He refrained from showing Gottseed any sign of undue concern, however.

However, reserves of $6,700 million ensured that this figure did not give rise to undue concern.

No, there was no reason for undue concern - not unless we actually found Pierce.

Doctors, therefore, the judges said, "can practice medicine without undue concern on the legal front."

I did not mean to cause you undue concern.