betray

[英][bɪ'treɪ]

解释:

vt.对…不忠；背叛

例句:

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。

The President betrayed them when he went back on his promise not to raise taxes.

总统背叛了他们，违背了不加税的诺言。