We'll laugh and be merry.

我们会开怀大笑，欢欢喜喜。

youdao

They began to be merry.

他们就快乐起来。

youdao

See, they twinkle and show us how to be merry, too.

看，他们闪烁着，告诉我们如何也变得快乐。

youdao

People, quite literally, have nothing else to do but eat, drink, and be merry.

FORBES: Dispatches from Post-Sandy New York: High, Dry, and Having a Holiday

For that saving of money, saving of resources, means that we can both drink and be merry and also have a slice of beefsteak or romano on our hamburger whatever the season.

FORBES: Tomatoland: Or Why I Wish Authors Would Read Books

Eat, drink and be merry.

FORBES: Throwing A Holiday Party That Even Uncle Sam Will Love