Laugh loudly, laugh often, and most importantly, laugh at yourself.

要放声笑，经常笑，最重要的是为自己而欢笑。

Laugh loudly even when you fall down.

即使跌倒了也要豪迈的笑。

The joke made all laugh loudly.

这个笑话使所有人开怀大笑。

To laugh loudly and rudely.

大声而粗鲁地笑着。

To laugh loudly and rudely.

大声而粗暴地笑着。