1. 坏事：rascaldom 流氓 | rascality 坏事 | rascallion 流氓
2. 歹徒的作为：rascalism 流氓行为 | rascality 歹徒的作为 | rascally 恶棍的
noun
1. reckless or malicious behavior that causes discomfort or annoyance in others
Synonym: mischiefmischief-makingmischievousnessdeviltrydevilrydevilmentrogueryroguishnessshenanigan
2. the quality of being a slippery rascal
Synonym: shiftinessslipperinesstrickiness
3. the trait of indulging in disreputable pranks
Synonym: prankishnessroguishness