The benefits of nuclear technology, she said, had been grossly overestimated.她说,核技术的好处被大大高估了。
They were forced to the conclusion that they had overestimated him/his abilities.他们不得不得出结论:他们高估了他/他的能力。
I overestimated and there was a lot of food left over after the party.我估计过头,结果聚会后剩了好多吃的。