What went through Tom's mind I can't imagine, but he did manage to keep a straight face.

汤姆心里在想什么我想像不出来，但是他确实装着一脸严肃。

We often keep a straight face or use an unsmiling expression when we're making a joke.

当我们开玩笑的时候，我们经常绷着脸或使用不笑的表情。

He kept a straight face and remained speechless.

他绷着脸不说话。

I kept a straight face as long as I could, but I finally had to crack up.

我尽量板着面孔，但最后还是控制不住失声大笑起来。

I Tried tp keep a straight face.

试着摆出一张严肃的脸。

She said it with a straight face.

她板着脸说了这件事。

Dont keep a straight face.

别板着脸吓唬我。

Judges love to keep a straight face.

法官喜欢保持一张正直的脸。

I could hardly keep a straight face.

我几乎忍不住笑出来。

I found it hard to keep a straight face.

我要装出一副严肃的面孔很难。

He can never tell a joke with a straight face.

他总是无法面无表情地说笑话。

Tom kept a straight face while telling the joke.

汤姆说这一笑话时，丝毫不露声色。

Stop joking around. I'm trying to keep a straight face.

别闹了，我正试着要板着面孔。

All of them kept a straight face when they heard the non funny joke.

听到这个并不好笑的笑话，他们都板着脸。

It was difficult to keep a straight face when he fell over the dog.

当他绊着狗摔了一跤时，大家很难扳着脸不笑。

She say with a straight face she see green spacemen in the back yard.

她面无表情地说她在后院看到绿色外星人。

Stir the along while, however, she just looked at me with a straight face.

可是逗了半天，她都只是面无表情地看着我。

He told me this with a straight face but watched my eyes closely as he spoke.

说话时表情毅然决然，但在和我眼神接触时闭着双眼。

“It’s not about skin colour,” he adds with a straight face. “It’s about ethnicity.”

“这与肤色无关，”他补充，”这是个种族问题。”

Nobody could argue with a straight face that this week's sanctions were unjustified.

没人能够面不改色的说这周的制裁是非正义的。

Being humorous, not keeping a straight face while everyone else is laughing at a joke.

富有幽默感，不会在开玩笑时板着脸。

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。

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。

Yes: Sarah Palin really has claimed — with a straight face — that Barack Obama wants to kill her baby.

可不是：莎拉？帕林果真面无表情地表示，奥巴马想杀死她的孩子。

Only in a world this SHEty could you eventry to say these were innocent people and keep a straight face.

只有在这个肮脏的世界里你才会说这些人是无辜的，并且装出正义的嘴脸。

Only in a world this shitty could you even try to say these were innocent people and keep a straight face.

只有在这个堕落人世里才能无愧地说这些人是无辜的，并且装出正义的嘴脸。

All in all, the experience made it hard to keep a straight face when people refer 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。