underestimate 美 [ˌʌndɚˈɛstəmeɪt] vt.低估;看轻;

记忆技巧：

under 不足，不够 + estimate 估计 → 估计不足

英文释义：

to think or guess that the amount, cost or size of sth is smaller than it really is；

双语例句：

We underestimated the time it would take to get there.

我们低估了抵达那里所需的时间。