underestimated

/ˌʌn.dɚˈes.tə.meɪt/

动词

低估；（对…）估计不足
Don't underestimate the difficulties of getting both parties to the conference table.
要让双方坐下来谈判，难度不可小觑。
低估，轻视（尤指竞争对手）
Never underestimate your opponent!
永远不要低估你的对手！