emphatic

她用强调的语气重复了那个重要信息。

She repeated the important message in an ___emphatic tone.

她的拒绝是明确无误的，没有任何回旋余地。

Her refusal was ___emphatic, leaving no room for negotiation.

老师用强调的语气重复了这个重要的语法规则。

The teacher repeated the important grammar rule in an ___emphatic tone.