He was able to imbue even the friendliest words with a tone of biting criticism.

即使是最友好的话他也能冷的口吻说出来。

His voice was quiet and almost menacing.

他语气平静，带有些许威胁的口吻。

I have no brow of such a pedagogical tone.

我不喜欢这种学究的口吻。

He hinted darkly that we had not heard the last of the matter.

他带着威胁的口吻暗我们的事情还没完[他还不肯就此罢休]。

He always speaks in an imperative tone of voice.

他老是用命令的口吻讲话。

David speaks in an authoritative tone.

大卫命令的口吻说话。

I would like to disabuse your mind of the idea that your cousin has a feeling of hostility to you. On the contrary he spoke to me in the most friendly terms of you.

我想消为的堂兄对有敌意的误会。相反，他跟我说到时，是最友善的口吻说的。