This whole trip was a colossal mistake, she could see that now.
But to go back to the old ways 'would be a colossal mistake,' he declared.
It would have been a colossal mistake on my part not to.
I still didn't believe Arafat would make such a colossal mistake.
Not excused myself in any way but admitted to all the colossal mistakes I've made, some with your able assistance, since we met.
Some people make a good selection almost immediately, just as others can take a very long time to make a colossal mistake.
America would have been better off knowing the truth and avoiding both of these colossal mistakes in our history.
And if, in time, we both realize that this was a colossal mistake, other arrangements can be made.
"And this is a colossal mistake on the part of the president."
I wonder who the last man or woman will be to die for this colossal mistake.