according to or concerned with the laws of a country
依法，与法律有关
an agreement enforceable at law.
可依法实施的协议。
a barrister-at-law.
法律顾问。
behave in a manner that is not conventional or predictable
（行为）反复无常，一意孤行
resort to legal action in order to settle a matter
诉诸法律
a situation characterized by respect for and obedience to the rules of a society
治安，法律与秩序
issue instructions to other people in an authoritative or dogmatic way
权威性命令，严令
punish someone for an offence according to one's own ideas of justice, especially in an illegal or violent way
不顾法律擅自处理
initiate legal proceedings against someone
绳之以法
(informal)used in spoken English to assert that one is doing nothing wrong, especially in response to an actual or implied criticism
(非正式)［口语中表示没有做错，尤用于回应批评］法律又不禁止
I can laugh, can't I? There's no law against it.
我可以笑，不是吗？法律又不禁止。
A totally independent operator
独断专行：完全独立的经营者
An executive who is a law unto herself.
自行其是的女领导
To mete out justice as one sees fit without due recourse to law enforcement agencies or the courts.
随意处罚：以某人自己觉得适合的方式给予司法处罚，而不通过正当程序诉诸法律执行机关或法庭