Mr. Baxter said he used white oak in those projects but did not expect making parts from ipe would be unduly difficult.

This is not an unduly difficult task but it does demand a little effort.

Referring to his own time, Martin suggested that life on "Bernera" was not unduly difficult.

Her labour was not unduly difficult.

Third, framing the order would be unduly difficult.

It was not unduly difficult for Kinnison to make his absence from duty logical, even necessary.

Specialist, unduly difficult or dangerous tasks may require skills not readily available in-house.

I trust your trip was not unduly difficult?

May I ask that a place of comfort be chosen for the discussion, so that my task need not be unduly difficult to accomplish?

Since the first alternative seems unduly difficult, I shall destroy her.