動詞 belie:

1. be in contradiction with
   同義詞：contradict, negate
2. represent falsely
   同義詞：misrepresent

1. Practical experience belies this theory.
   實際經(jīng)驗證明這個理論是錯誤的。
2. His cheerful manner belied his real feelings.
   他那快活的樣子掩飾了他真實的感情。

be.lie

v.tr.（及物動詞）
be.lied,be.ly.ing,be.lies
To picture falsely; misrepresent:
錯誤地描述；誤述：
例句：
.He spoke roughly in order to belie his air of gentility.(James Joyce)
.為了給人有貴族氣派的印象，他說話粗暴.(詹姆斯·喬伊絲)

To show to be false:
顯示為虛假：
例句：
Their laughter belied their outward grief.
他們的笑聲顯示出他們表面上虛假的悲傷

To be counter to; contradict:
與…相對立；與…相矛盾：
例句：
At first glance, life at the boarding school seemed to belie all the bad things I had heard about it.
初看之下，寄宿學(xué)校的生活似乎不同于我所聽說的有關(guān)它的糟糕情形

來源：
Middle English bilien
中古英語 bilien
from Old English belôogan [to deceive with lies] * see leugh-
源自 古英語 belôogan [用謊言欺騙] *參見 leugh-

【引伸】
beli.er
n.（名詞）