underestimate

名词 underestimate:

1. an estimation that is too low; an estimate that is less than the true or actual value
   同义词：underestimation, underrating, underreckoning

动词 underestimate:

1. assign too low a value to
   同义词：undervalue
2. make a deliberately low estimate
   同义词：lowball
3. make too low an estimate of
   同义词：underrate

1. Don't underestimate the difficulties of the work.
   不要低估了这项工作的艰巨性。
2. You shouldn't underestimate the risks of the enterprise.
   你不应低估这一计画的风险。
3. I underestimated the time we needed by 30%.
   我把我们需要的时间低估了30%。
4. Never underestimate your opponent.
   千万不要低估对手。