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

有些人难以区分敷衍的和真正快乐的微。

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

事实上，我都不知道。

I grin at thee, thou grinning whale!

我对你咧着嘴，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成这样？

There was a big grin on his face.

他咧开嘴了起来。

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

是的，你真的不能只是着“忍受”。

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

是的，但最后还带着一脸傻。

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

鳄鱼露出露齿的容，即使是闭着嘴的时。

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

“为什么？”院长向他转过仍然满是意的脸。

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。

First its tail went, then its body, then its head, and last, the grin.

先是尾巴没了，然后是身体、头，最后，咧着的嘴。

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

最好的容是像你过了很棒的一天的时那种微。

Harry grinned awkwardly as Dumbledore watched him.

哈利在邓布利多的注视下，不自然地了。

So, we can say that a child has a cheeky grin, for example.

那么，举个例子，我们可以说一个孩子露出厚脸皮的容。

A grin flashed across Sirius's thin face.

小天狼星消瘦的脸上闪过一丝容。

" And you, " said Harry, grinning back.

“你也是。”哈利说，也对他报以微。

We have to grin and bear it.

我们只能默默忍受。

Tom grinned and gave them to Ann.

汤姆咧嘴一，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。