Some people struggle to distinguish a perfunctory grin from a truly happy smile.

有些人分敷衍的笑和真正快乐的微笑。

In fact, I didn't know that cats could grin.

事实上，我都不知道猫会笑。

I grin at thee, thou grinning whale!

我对你咧嘴笑，你这龇牙咧嘴的鲸鱼！

Please would you tell me why your cat grins like that?

请你告诉我为什么这只猫笑成这样？

There was a big grin on his face.

他咧开嘴笑了起来。

Yes, you really can't just grin and " bear" it.

是的，你真的不能只是笑“忍受”。

Yes, eventually, with a big, dopey grin on your face.

是的，但最后还带脸傻笑。

Crocs flash a toothy grin, even when their mouths are shut.

鳄鱼会露出露齿的笑容，即使是闭嘴的时候。

" Why? " The Provost turned towards him a still broadly grinning face.

“为什么？”院长向他转过仍然满是笑意的脸。

Yeah. I wanna know who's putting that dopey grin on your face.

是啊。我想知道是谁能让你这样傻笑。

A great contentment stole over him; he grinned across at Ron, who grinned back lazily.

巨大的满足感慢慢向他袭来。他咧嘴朝罗恩笑，罗恩也在懒洋洋地望他笑。

Instead, it's best to have a subtle grin like you're having a good day.

最好的笑容是像你过了很棒的天的时候那微笑。

Harry grinned awkwardly as Dumbledore watched him.

哈利在邓布利多的注视下，不自然地笑了笑。

All the experienced travelers, including me, looked around with knowing grins.

我们这些有出门经验的人都四下环顾，会心地笑了笑。

The Pregnant One does not grin. Nor does Ove.

孕妇没有咧嘴，欧维也没有。

We have to grin and bear it.

我们只能默默忍受。

Tom grinned and gave them to Ann.

汤姆咧嘴笑，把它们给了安。

Joy grinned. " An oldie but a goodie."

“有点老套，但也不错。”

The boy grinned with pleasure when I gave him candy.

当我给他糖果时，他高兴地张嘴大笑。

Their muscular arms are draped lazily around each other's shoulders as they grin for the camera.

他们肌肉发达的手臂懒洋洋地搭在彼此的肩膀上，对镜头咧嘴笑。