devilment
/ˈdevlmənt; `dɛvlmənt/ (also devilry/ ˈdevlrɪ; `dɛvlrɪ/) n
1 [U] high spirits; mischief 高昂的情绪; 恶作剧; 玩笑
She played a trick on him out of sheer devilment. 她捉弄他完全是为了寻开心.
2 [C] mischievous act 恶作剧; 开玩笑
She's up to some devilry or other. 她正要搞个恶作剧什麽的.