He's a snake in the grass. While pretending to be your friend he was slandering you behind your back.

他是个暗敌,表面上装作是你的朋友,背地里却在诽谤你.

《现代汉英综合大词典》

He has been questioned on suspicion of slandering the Prime Minister.

他由于涉嫌诽谤首相而受到了盘问。

辞典例句

" How can you say I'm slandering you?

“ 怎么是我造谣 呢 !

子夜部分

And a court slapped a big fine on an opposition newspaper for slandering a parliamentarian.

法院对一家异议报纸因为抨击国会苛以重罚.

互联网

He's a snakegrass. While pretending to be your friend, he was slandering you behind your back.

他是个暗敌,表面上装作是你的朋友, 背地里却在诽谤你.

互联网