单词keep a straight face
na.: 不露笑容
忍住不笑出来
在…面前
v.keep a stiff upper lipdissemble
When she told me that she fell in the mud, it was difficult for me to keep a straight face.
当她告诉我她掉到泥坑里，我想不笑都很难。
but of course he never did. How Harry managed to keep a straight face during these performances is quite beyond me.
当然，他再也不会来了。我实在想像不出哈里在这些表演中是怎样装出一本正经的样子的。
All in all, the experience made it hard for me to keep a straight face when people referred to whale as a "delicacy. "
总之，这次体验让我很难理解为什么人们会把鲸鱼当作一种美食。
KM: We laughed our way through that Charlie"s Angel"s spoof. It was hard to keep a straight face. It felt like an office party.
我们在拍查理天使的搞笑版时一直笑个不停。真的很难板起脸孔。感觉就像置身于办公室派对里。
They tend to keep a straight face all day long and fail to keep life in perspective.
他们终日拉长着脸，且无法以正确的眼光观照人生。
When Bob fell into the water, he looked funny and I could hardly keep a straight face.
鲍布掉入水中时，看起来很滑稽，我几乎禁不住笑出来。
He has such a strange voice that it"s difficult to keep a straight face when he"s talking.
他的声音古怪，说起话来很难让人不笑。
One patient said, "I"m trying to keep a straight face. "
其中一人说：“我试图保持严肃，但没有用。”
Stop joking around. I"m trying to keep a straight face.
别闹了，我正试着要板着面孔。
She looked so ridiculous it was hard to keep a straight face.
她模样是那样可笑，要忍住不笑是很困难的。