As is the case with most grave mistakes, this one was made by intelligent men, for the very best of reasons.
The supreme court made a grave mistake with this decision.
Although, now she came to think about it, maybe such caution had been a grave mistake.
A grave mistake, however much fun it had been at the time.
Love for anything other than oneself or one's child was a grave mistake.
If you ask me, putting those things around was a grave mistake.
How could the police have made such a grave mistake and failed to cut off his retreat?
Had it been a grave mistake that brought him to this place?
And surely it's a grave mistake to bring him here.
That is why I regard this as a grave mistake.
