He was unsmiling and silent.

他不苟言笑，沉默寡言。

柯林斯例句

His eyes were hard and unsmiling.

他目光严厉冷峻。

《牛津高阶英汉双解词典》

She submitted to this scrutiny in unsmiling silence, patiently waiting for his next move.

让他这么看着,刘玉英也不笑,也不说话, 耐烦地等待那结果.

子夜部分

The guards stood stiff - backed and unsmiling.

卫兵挺着腰、板着脸站在那里.

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The boss an unsmiling man.

老板是个不苟言笑的人.

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