overestimate

高估、估计过高

We overestimated the cost of the renovation by several thousand dollars.

我们把装修的费用高估了好几千元。

过于看重、评价过高

Never overestimate your own importance in a large company.

在大公司里千万不要过于看重自己的重要性。

高估、过高的估计

The earlier figure turned out to be a wild overestimate.

先前的数字后来证明是严重的高估。