Complacency on the part of the home owner is the most disturbing factor in domestic security.

There are, in recent years, three disturbing human factors that have come upon us.

"Is not the presence of the army here in the territories a disturbing factor?"

The kids were getting along all right, and the only remaining disturbing factor was Holloway himself.

The only disturbing factor in Kate's life was her homeland.

And the most disturbing factor of all was her relationship with the master of the matrix.

The disturbing factor was the presence of the super- natural ships.

It is only when the body's own powers are insufficient to deal with these disturbing factors, that medical intervention becomes necessary.

That, for me, however, is perhaps the most disturbing factor.

The other disturbing factor is that there appears to be a policy of double standards.