两面三刀的英文：
[Literal Meaning]
two/face/three/knife
double-faced tactics

[解释]
语言和行为不一致。

[Explanation]
double-dealing

[例子]
他这个人总是两面三刀的，请大家不要相信他。

[Example]
He has always be double-dealing, and we shall not trust him.

[英文等价词]
to carry fire in one hand and water in the other

In your language traitor means betrayer: one is perfidious, treacherous, unfaithful, disloyal
在贵国的语言中，叛徒指的是叛卖者，一个背叛信仰，两面三刀，不忠实，无信无义的人。

Two faces and three knavishness
两面三刀

double faced
两面三刀

Rich men are capricious and exacting and do not pity and help the poor.
富人两面三刀，巧取豪夺，既不怜悯也不帮助穷人。

We detest with horror the duplicity and villainy of the murderous hyenas of Bukharinite wreckers
我们非常憎恨布哈林那帮两面三刀、杀人破坏，干尽坏事的豺狼。

In your language traitor means betrayer, one is perfidious, treacherous, unfaithful, disloyal.
在贵国的语言中，叛徒指的是叛卖者，一个背叛信仰，两面三刀，不忠实，无信无义的人。