When I tell someone I will not betray his confidence I keep my word...
如果我告诉某人我不会辜负他的信任,我就会恪守诺言。
《柯林斯高阶英汉双解学习词典》
We betray the ideals of our country when we support capital punishment.
如果我们支持死刑,那就背弃了我们立国的理念。
《柯林斯高阶英汉双解学习词典》
He nodded his head instead of saying anything where his voice might betray him.
他一言不发,只是点头,因为一开口可能会露出破绽。
《柯林斯高阶英汉双解学习词典》
I have never known her to betray a confidence (= tell other people sth that should be kept secret) .
我从未听说过她泄露秘密。
《牛津高阶英汉双解词典》
