un·der·es·ti·mate/`ʌndə`ɛstəˏmet; ˌʌndərˈestɪmeɪt/ v 1 [I,T] to think that something is smaller, less expensive, or less important than it really is 低估: They underestimated the size of the problem. 他们低估了那问题有多大。 2 [T] to think that someone is less skilful, intelligent etc than they really are 轻视，小看〔某人〕: Never underestimate your opponent. 千万不要轻敌。