Percy Weasley let out a hearty laugh.

珀西韦斯莱放声大笑起来。

When you crack up, it can either mean you've had a bit of a mental break down, or the complete opposite, you've laughed really hard at something.

Crack up既可以表示精神崩溃，也可以表示完全相反的意义，即因某事而放声大笑。

Neville, his face tear-streaked, clutching his wrist, hobbled off with Madam Hooch, who had her arm around him. No sooner were they out of earshot than Malfoy burst into laughter .

纳成脸上挂泪痕，他抓手腕子，瘸拐地和霍琦夫人同离去了。霍琦夫人用胳膊搂他。 他们刚走得听不见了，马尔福就放声大笑起来。

I know that means laugh out loud.

我知道那意放声大笑。

Tom opened his eyes wide and laughed.

汤姆睁大了眼睛，放声大笑。

Outside in the street, huge crowds were already gathering, joking and laughing, and pushing to get the best places near the great black platform, where the rope hung ready for its morning's work.

外面的大街上已聚集了拥挤的人群，他们时而说玩笑话，时而放声大笑，挤来挤去，到离黑色平台最近的地方。在那儿，绞索已经挂起来，为当天早上的工作准备好了。

No sooner were they out of earshot than Malfoy burst into laughter.

他们刚走得听不见了，马尔福就放声大笑起来。

Nor for the Kabilas, whose claims to be rassembleurs, unifiers, made him laugh out loud.

卡比拉斯自称是集团者、统主义者，这让他放声大笑。

He could no longer laugh with those who laughed at him.

他不能再同那些嘲笑他的人起放声大笑了。

LOL stands for 'laughing out loud'. We use it when texting or on social media after a joke or something funny. For example, Neil, your hair looks amazing, LOL.

LOL代表“放声大笑”。在发短信或社交媒体上，我们会在笑话或有趣的事情之后用这个表达。比如，尼尔，你的头发看起来棒极了，LOL。

You feel excited, you feel like laughing out loud.

你感到兴奋，你放声大笑。

Thor roars with laughter when he is given the hammer.

据说，索尔拿到锤子时，忍不住放声大笑。

He strode away laughing heartily, with Crabbe and Goyle.

他放声大笑，和克拉布和高尔阔步走开了。

As I exhibited the empty box he leaned back in his chair and laughed aloud.

当我把空箱子给大家看的时候，他倚椅子放声大笑起来。

" Sorry, " repeated Harry weakly, while Dean and Seamus continued to roar with laughter.

“对不起。”哈利又轻声说了遍，迪安和西莫还在那里放声大笑。

Germont began to laugh. Too simple? he said. Who ever heard of such a thing?

我们的客人发自心底地放声大笑。“并不复杂？”他说。“有谁听说过这等事？”

Tommy gave a loud burst of laughter when he heard my joke.

汤米听到我讲笑话时放声大笑。

Hell, I'd settle for a few laughs now and then.

偶尔能放声大笑我就满足了。

Harry laughed; he could not help himself.

哈利实在忍不住，他放声大笑。

Like it surprised him that he could laugh so freely.

惊叹到能让他如此放声大笑。