For Nicholas to make such a gross mistake.
One hopes that sense will prevail before we make an expensive and gross mistake.
How could they have made such a gross mistake?
He patiently corrected every gross mistake and lauded every small success.
I think Lee has made a gross mistake, and that he will be severely punished for it.
He was not short of time and the problems that he faced were not nearly enough to elicit a gross mistake.
Noble in the end, they had made gross mistakes which embarrassed me now in front of my Vulcan companion.
He stated, "It was either a really gross mistake or a really brutal murder."
Gov. Mitt Romney called the decision a "gross mistake" and illegal.
Who knows what went on there that he would make such a gross mistake?