vt.

1. 掩饰
   His smile belies his anger.

   他的笑容掩盖着他的怒气。

2. 证明（或显示）……为虚假
   Her cruelty belied her kind words.

   她残忍的行为表明她亲切的言词是虚伪的。

3. 辜负；使失望；使落空
   War belied hopes for peace.

   战争使人们对和平的希望落了空。

4. 【古】就……扯谎

v.

1. fail to give a true notion of.
2. fail to justify (a claim or expectation).