Parvaneh tried to keep a straight face.

帕尔瓦娜强忍着不笑出声。

But honestly, I could hardly keep a straight face.

但是，坦白说，我简直很难做到不露声色。

" His finest hour, " said Fred, unable to keep a straight face.

“那是它最辉煌的时刻。”弗雷德说，脸上忍不住要笑。

How Harry managed to keep a straight face during these performances is quite beyond me.

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。

But fathers and mothers! He shook his head. You can't expect me to keep a straight face about fathers and mothers.

可是那些‘爸爸’呀，‘妈妈’呀，他摇摇头。在那些‘爸爸’、‘妈妈’面前你就无法叫我板着面孔。

Priscilla burst out laughing, but Jackie kept a straight face.

普里西拉大笑起来，但杰基却板着脸。

Her mother tried to keep a straight face.

她的母亲试图保持板着脸。

The stranger kept a straight face because he wanted to strangle the stowaway with a strap.

陌生人板着脸，他想用皮带扼死偷渡者。

They can't even keep a straight face.

他们自己都忍不住不笑的。

Well, they said they didn't need to keep a straight face for long.

好吧，他们说他们不需要长时间保持板着脸。

I found it very difficult to keep a straight face.

【straight】我觉得很难板住脸不笑。

Luckily, we didn't need to keep a straight face for long.

幸运的是，我们不需要长时间保持板着脸。

If you " keep a straight face" , that means that you stop yourself from laughing.

如果你“板着脸”，那就意味着你不让自己笑。

So if you " keep a straight face" , this means that you keep yourself from laughing.

所以如果你“板着脸”，这意味着你不让自己笑。

Nothing, I said, trying to keep a straight face. There's nothing funny. Nice jumper.

没什么，我说，尽量保持板着脸。没什么好笑的。漂亮的毛衣。

" To keep a straight face" (straight) – a straight face means not to smile, not to laugh.

“to keep a straight face” （直）——板着脸的意思是不笑，不笑。

There we go. Okay. So what are some situations where you have to " keep a straight face" ?

我们开始了。好的。那么有哪些情况需要“板着脸”呢？

When Jamie started growing that tuft of orange hair, it was hard to keep a straight face to be fair. Because we all found that hilarious.

看着杰米开始长出一撮橙色的头发老实说，要保持严肃的面部表情可太困难了。因为我们都觉得那一段太滑稽了。

The question is, " continued Alvin, struggling to keep a straight face, " WHO is the Heir to Stoick the Vast?

问题是，" 阿尔文勉强板着脸继续说，" 谁是史托伊克大帝的继承人？

If you're at a funeral, number one, you generally have to " keep a straight face" , be serious, not laugh.

第一，如果你参加葬礼，你通常必须“板着脸” ，严肃，而不是大笑。