愉悦口语:第304期 板着脸英文怎么说

讲解文本：

straight face 板着脸，不动声色，一本正经的样子
It was difficult to keep a straight face when I heard his joke.
听完他的笑话，很难板着脸不笑。
My father never laughs. What he gives us is always a straight face.
父亲从来不笑。他面对我们时候总板着个脸。

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