underestimate

人们很容易低估拥有一辆汽车的持续开销。

It's easy to ___underestimate the ongoing costs of owning a car.

不要低估学习一门新语言所需的时间。

Don't ___underestimate the time it takes to learn a new language.

我认为你低估了自己解决这个问题的能力。

I think you ___underestimate your own ability to solve this problem.