【俚语】

Be laughing on the other side of your face
到时候就笑不出来了，得意变失意

【例句】

If you think you’ve tricked me, then you’re wrong! You’ll soon be laughing on the other side of your face!
如果你认为你欺骗了我，那你就错了！很快你就笑不出来了。

Laugh out loud
大声笑

【例句】

When she heard the joke, she laughed out loud.
她听到这个笑话时，笑的很大声。
Read it out loud, so we can all hear.
大声读，让我们每个人都听见。

Force a laugh
挤出一丝笑容，强颜欢笑

【例句】

I forced a laugh when I saw my ex yesterday.
昨天我遇到前任的时，勉强笑了笑。

Laugh n.
令人愉快的活动，好玩的活动

【例句】

We all went to the beach last night – it was a good laugh.
我们昨晚都去海滩了。挺好玩。

Have the last laugh
笑到最后，最终取得成功

【例句】

When he invented this machine, everybody laughed at it, but he’s sold 10 000 of them. He certainly had the last laugh.
当他发明这台机器时，所有人都嘲笑他，但他却卖出了10000台。他确实笑到了最后。