信中的语气强硬。

The letter was peremptory in tone.

《牛津词典》

他的语气很强硬。

He speaks with a tough tone.

youdao

他语气强硬地说：“我不知道他的根据是什么。

I don't know on what basis the anonymous Opposition leader makes his claim.

youdao

他语气强硬地说：“我不知道他的根据是什么。

I don't know on what basis the anonymous Opposition leader makes his claim.

youdao