「玩得特别开心」英文怎么说？

have a field day 玩得特别开心，

有机会大显身手（尤指批评某人的机会）

The air was fresh and clear. Everyone had a field day at the park today. 

今天的空气非常清新，大家在公园里玩得特别开心。

The newspapers had a field day when the trial finished. 

审判结束以后，报社有机会大做文章了。