underestimate
v[Tn]
make too low an estimate of (sb/sth) 过分低估(某人[某事物])
underestimate the cost, danger, difficulty, etc of the expedition 对此次考察的费用、 危险、 困难等估计不足
I underestimated the time we needed by 30%. 我把我们需要的时间低估了30%.
Never underestimate your opponent, ie think that you will beat him easily. 千万不要低估对手. Cf 参看 overestimate, underrate.
underestimate n estimate that is too low 低估
a serious underestimate of losses on the Stock Exchange 对在证券交易所中遭到的损失严重估计不足. Cf 参看 overestimate.