estimate
词根词缀：
estimable adj. 可尊敬的；可估计的
estim 价值 + able 可…的，能…的；具有…性质的 → 可尊敬的；可估计的
estimate v./n. 估计，估量
estim 价值 + ate 表动词 → 估计，估量
estimation n. 判断；估算
overestimate v. 对…估计过高
over 过度 + estimate 估计，估量 → 对…估计过高
overestimate n. 过高的估计
underestimate v./n. 低估
under 不足 + estimate 估计，估量 → 低估
数据来源：新东方英语词汇速记大全
相关例句：
It exceeded my estimate by a great deal.
这远远超出了我的估计。
I asked three building firms to estimate for the repairs to the house.
我请了三家建筑公司估算修理房屋的费用。
He estimated the speed of the winds from the degree of damage
他根据破坏的程度估算风速。
I know him well enough to form an estimate of his abilities.
我对他很了解，可以对他的能力作出判断。
A recent estimate was that factories were undermanned by about 30 per cent.
最新估算表明工厂的人员不足达30%左右。
The shop also offers a curtain-making and fitting service. Quotes and estimates can be prepared by computer on the spot.
那家商店还提供窗帘制作和安装服务，而且可以用计算机现场制作报价单和预算书。