lawful: may apply to conformity with law of any sort, such as natural, divine, common, or canon: the ~ sovereign.    natural law自然法a body of unchanging moral principles regarded as a basis for all human conduct永不改变的道德准则，一切人的行为基础。类似于中国人说的天理，伤天害理表示违反了natural law；divine law神圣法a law that is believed to come directly from God由上帝订立的法律；common law普通法law that is derived from custom and judicial precedent rather than statutes依据习俗或判例，而非依据条款，也叫判例法、不成文法，对应于成文法statutory law；canon law教会法an ecclesiastical law宗教法律  (conform 1、一致相似 2、遵守服从，见2020-08-07 非法unlawful-illicit)        （如lawful heir/marriage/act/owner/authority/age合法继承人/婚姻/行为/主人/当局/年龄）


legal: applies to what is sanctioned by law or in conformity with the law, especially as it is written or administered by the courts: ~ residents of the state.   administer执行法律、行政，如the Trump administration川普政府       （如legal system/adviser/affairs/action/proceedings/person/remedy/requirement法律体系/顾问/事务/诉讼/诉讼/法人/制裁/法定要求）


legitimate: may apply to a legal right or status but also, in extended use, to a right or status supported by tradition, custom, or accepted standards: a perfectly ~ question about finances.        （如legitimate right/child/claim/intervention正当(合法合理)权利/嫡出子/声索/干预，如a legitimate reason for being late迟到合理理由，如the legitimacy of a regime lies solely in popular support任何政权的合法性的唯一来源是人民的支持）


licit: applies to a strict conformity to the provisions of the law and applies especially to what is regulated by law: the ~ use of the drug by hospitals.   provision法律条款    法规regulation中的regulate表示管控调控to set or control the amount, degree, or rate of something，如laws that regulate the content of the Internet法律调控/管控因特网内容，如to regulate gun sales调控/管控枪支售卖     （如licit and illicit drugs合法药物和非法药物，如she made some money by licit means他用正当的手段挣了一些钱，如licit distilling符合法规的蒸馏提纯，本例医院用药符合法规）


lawful合法:  泛指符合任何种类的法律，legal合法: 指符合法院所订立或执行的法律，legitimate合法合理正当: 指权利身份符合法律，或符合传统习俗常规，licit合法合规: 指符合法律条款，特别是法规


记忆方法: 1）首字母4L<==合法

         2）合法的意思是符合法律mean being in accordance with law.