54、 擅自变更或者解除（民事法律行为）：alter or rescind one's act arbitrarily
55、 以欺诈、胁迫的手段：as a result of cheating or coercion
56、 乘人之危：take advantage of one's unfavorable position
57、 以合法形式掩盖非法目的：perform under the guise of legitimate acts which conceal illegitimate purposes
58、 具有法律约束力：be legally binding
59、 请求人民法院或者仲裁机关予以变更：request a people's court or an arbitration agency to alter
60、 恶意串通：conspire maliciously
61、 有过错的一方：the erring party
62、 附条件的民事法律行为：conditional civil juristic acts
63、 委托代理：entrusted agency
64、 法定代理：statutory agency
65、 指定代理：appointed agency
66、 委托代理人：an entrusted agent
67、 被代理人：the principal
68、 行使代理权：exercise the power of agency
69、 采用书面形式：in writing
70、 超越代理权：beyond the scope of one's power of agency
71、 代理权终止：the expiration of one's power of agency
72、 本人名义：in one's name
73、 查封、扣押、冻结、没收：seize， encroach upon， privately divide， destroy or illegally seal up， distrain， freeze or confiscate
74、 财产继承权：the right of inheritance
75、 优先购买的权利：a right of pre-emption
76、 埋藏物、隐藏物：buried or concealed object
77、 遗失物、漂流物：lost-and-found objects， flotsam
78、 买卖、出租、抵押、转让：be sold， leased， mortgaged or transferred
79、 设立、变更、终止民事关系：establish， change or terminate civil relationship
80、 按照确定的份额分享权力：be entitled to rights in proportion to his proper share of the credit
81、 按照确定的份额分担义务：assume obligations in proportion to his proper share of the debt
82、 享有连带权利的每个债权人：each of the joint creditors
83、 负有连带义务的每个债务人：each of the joint debtors
84、 有权向债务人追偿：have the right to claim repayment from the debtor
85、 提供一定的财产作为抵押物：offer a specific property as a pledge
86、 以抵押物折价或者以变卖抵押物的价款优先得到偿还：to keep the pledge to offset the debt or have priority in satisfying his claim out of the proceeds from the sale of the pledge
87、 给付定金：leave a deposit with the other party
88、 双倍返还定金：repay the deposit in double
89、 占有人有权留置该财产：the possessor shall have a lien on the property
90、 将合同的权利、义务全部或部分转让给第三人：transfer all or part of its contractual rights or obligations to a third party
91、 取得不当得利：profits acquired improperly and without a lawful basis
92、 无因管理：act as manager or provide services in order to protect another person's interests when he is not legally or contractually obligated to do so
