fooling
n. 开玩笑的言行；戏谑
v. 愚弄（fool 的 ing 形式）
例句
I've been fooling myself all along.
我一直在骗我自己。
《柯林斯英汉双解大词典》
She's been fooling around with a married man.
她一直和一个有妇之夫鬼混。
《牛津词典》
They were fooling around on an Army firing range.
他们在一个部队射击场闲荡。
