常見例句It was difficult to keep a straight face when he fell over the dog.當(dāng)他絆著狗摔了一跤時，大家很難扳著臉不笑。She say with a straight face she see green spacemen in the back yard.她面無表情地說她在后院看到綠色外星人。My father never dotes on any of us. What he gives us is always a straight face.父親誰也不寵愛。他給我們的總是一副嚴肅的面孔。He has such a strange voice that it's difficult to keep a straight face when he's talking.他的聲音很古怪，說起話來很難讓人不笑。 返回 straight-facedly