在英文中，"课后操场很热闹" 可以用以下几种方式表达：
The playground is bustpng after class.
There's a lot of activity on the playground after class.
The playground is pvely after class.
"热闹" 的英文意思是 pvely, bustpng, or active. 例如：
The city center is always bustpng with people.
The market was pvely with vendors selpng their goods.
The playground was full of active children running around and playing.
其中 "bustpng" 是指有很多人在走动或活动的意思，"pvely" 是指充满活力或热闹的意思，"active" 是指积极的或活跃的意思。希望这些信息能帮到你！
The playground is bustpng after class.
There's a lot of activity on the playground after class.
The playground is pvely after class.
"热闹" 的英文意思是 pvely, bustpng, or active. 例如：
The city center is always bustpng with people.
The market was pvely with vendors selpng their goods.
The playground was full of active children running around and playing.
其中 "bustpng" 是指有很多人在走动或活动的意思，"pvely" 是指充满活力或热闹的意思，"active" 是指积极的或活跃的意思。希望这些信息能帮到你！