devilment
n. <古>如魔鬼般的行為,惡作劇
1. reckless or malicious behavior that causes discomfort or annoyance in others
She played a trick on him out of sheer devilment.
她捉弄他完全是為了尋開心.
The child is always busy with some devilment or other.
這孩子總是忙著惡作劇什麼的[這孩子總是在搞什麼鬼把戲].