“呆板地”的英语可以翻译为：frigidly，stiffly，woodenly ...

证据被当庭呆板地宣读了一遍。The evidence was read out to the court in a dull monotone.“他可真是太好心了，”埃莉诺声调呆板地说道。"That's most kind of him," Eleanor said tonelessly....