Deviltry[
'devltri]
n. 恶

, 残暴
deviltry[ noun ]- wicked and cruel behavior
<noun.act>
- reckless or malicious behavior that causes discomfort or annoyance in others
<noun.act>

Deviltry \Dev"il*try\, n.; pl. {Deviltries}.
Diabolical conduct; malignant mischief; devilry. --C. Reade.