He was unsmiling and silent.

他十分严肃，一言不发。

《柯林斯英汉双解大词典》

His eyes were hard and unsmiling.

他目光严厉冷峻。

《牛津词典》

The boss is an unsmiling man.

老板是个不苟言笑的人。

youdao

She was a big, unsmiling lady in a tight black dress.

这位夫人是个大块头、不苟言笑的人，身穿一件黑色紧身衣。

youdao

Voldemort inclined his head, unsmiling, and took another sip of wine.

伏地魔不带笑容地低下头，又呷了一口酒。

youdao

Voldemort inclined his head, unsmiling, and took another sip of wine.

伏地魔不带笑容地低下头，又呷了一口酒。

youdao