我会根据您提供的信息尽可能地为您作答。关于 “fiduciary” 这个单词或缩写词的解释和例句如下：
1. 定义：表示信托或任何一种受信任关系。fiduciary 通常指代在金融上负有特殊责任的人或机构，他们必须履行一定的义务，以确保客户或被委托人的利益得到保护。
2. 衍生词：fiduciary duty（信托责任）、fiduciary relationship（受托关系）、fiduciary responsibility（信托责任）等。
3. 相关法规：fiduciary 通常与金融机构、投资顾问等相关联。例如，美国的《投资顾问法》规定，投资顾问必须履行 fiduciary 责任，以客户的利益为先。
4. 应用领域：fiduciary 的概念在金融界十分重要，尤其是在投资领域。fiduciary duty 的范围也在不断扩大，例如，美国劳工部在xx年发布的一项规定，要求退休账户顾问必须遵守 fiduciary duty。
5. 相关行业：fiduciary 的概念也适用于其他领域，例如医疗、律师事务所等领域，这些行业的从业人员都必须遵守 fiduciary duty 来保护客户的利益。
中英文例句：
1. The trustee of a trust has a fiduciary duty to act in the best interests of the beneficiaries.（托管人必须履行受托人责任，为受益人做出最佳决策。）
2. The investment advisor has a fiduciary responsibility to disclose any potential conflicts of interest.（投资顾问有信托责任，必须披露任何潜在的利益冲突。）
3. The bank acted as a fiduciary for the funds it managed.（这家银行担任基金的保管人，履行信托职责。）
4. The broker has a fiduciary relationship with his clients and must act in their best interests.（经纪人与客户之间存在受托关系，必须为客户的利益着想。）
5. The accounting firm has a fiduciary responsibility to ensure that its clients’ financial statements are accurate.（会计事务所有信托责任，必须确保客户的财务报表准确无误。）
fiduciary的中文翻译为“受托人的”，读音为 [fɪˈduʃiəri]。
例句：
1. As a fiduciary, the trustee is required to act in the best interests of the beneficiaries.
作为受托人，托管人必须以受益人的最大利益为准。
2. The financial advisor has a fiduciary duty to his clients, meaning he must act in their best interests and disclose any conflicts of interest.
财务顾问对其客户承担着受托责任，意味着他必须以客户的最大利益为准并披露任何利益冲突。
fiduciary在英语中代表”尤指财产、受信托的”的意思，还经常被翻译为财产受托人，发音音标为[fi’dju:ʃjәri]，fiduciary在英语中经常以名词形式出现，在《英语自学简明词典》中，共找到74个与fiduciary相关的例句。
1.尤指财产
例句:This agreement in no way relieves the employee of any fiduciary obligations the employee owes to (Company). (无论如何，本协议不能免除员工对公司负有的诚信义务。)
2.受信托的
例句:He was acting in a fiduciary capacity. (他以受托人身份行为。)
3.财产受托人
例句:And the United States has a fiduciary responsibility to individual Indians and/or their families that they get the highest and best use out of it. (美国是有代理人职责 要对每个单独的印第安人及其家属负责 确保他们获得土地上的最大的利益.)
4.信托的、财产受托人
例句:You have a fiduciary responsibility to this firm, and you were going behind our backs. (翻译:这些客户… 你对律所负有信托责任 你却在我们背后捣鬼)
fiduciary一般作为名词、形容词使用，如在fiduciary account(托管户)、fiduciary accounting([经] 财产信托会计, 遗产会计)、fiduciary bond([经] 受托人保证保险)等常见短语中出现较多。
1. And the United States has a fiduciary responsibility to individual Indians and/or their families that they get the highest and best use out of it. (翻译:美国是有代理人职责 要对每个单独的印第安人及其家属负责 确保他们获得土地上的最大的利益.)
2. You have a fiduciary responsibility to this firm, and you were going behind our backs. (翻译:这些客户… 你对律所负有信托责任 你却在我们背后捣鬼)
3. Fiduciary responsibility to lockhart/gardner, (翻译:没错 因为她对Lockhart/Gardner律所有信托责任)
4. II. A trustee shall, upon the entrustment of a fiduciary, apply for opening securities account for enterprise annuity fund as an agent. (翻译:托管人要根据受托人委托，为企业年金基金申请代理开立证券账户。)
5. In this role, we do not act as an agent or fiduciary for you, and we may act on behalf of the insurance provider, as permitted by law. (翻译:当行使这角色时，本行并非为阁下的代理人或受信人，及在法律容许的情况下，本行可代表该保险提供者。)
6. They have a case against their directors for breach of fiduciary duty. (翻译:他们对董事们违反信托责任提出诉讼。)
7. Look, I get that this is personal for you, but we have a fiduciary responsibility. (翻译:我知道你跟华尔街有私人恩怨 – 但是我们对投资人也要负责)
8. – I trust you understand the various fiduciary duties we have as a university. (翻译:- 我相信你明白 不同的受托责任，我们 有一所大学。)
9. A company director owes a fiduciary duty to the company. (翻译:公司董事应对公司负受托人的责任。)
10. First Fiduciary National, and they would like you back. (翻译:国家第一信托公司 他们希望你回去工作 First Fiduciary National, and they would like you back.)
11. I have a fiduciary responsibility to Lockhart/Gardner. (翻译:我对Lockhart/Gardner律所 负有信托责任)
12. The governing board that will succeed me will not be able to follow my example; it will be weighed down by fiduciary responsibilities. (翻译:我的继任董事会不能按我的方式行事——信托责任会掣他们的肘。)
13. Moreover, our corporate culture has sanctioned this objective by codifying it as a fiduciary obligation of any corporate executive. (翻译:此外，我们的企业文化已批准这一目标的编纂作为受托义务，任何企业执行。)
14. One of the writs is seeking a total of US$11. 7 million for breach of trust, breaches of fiduciary duty and acts of fraud. (翻译:其中一项起诉是因违反信托、违反信托义务及欺诈行为索要总数为1170万美元的赔偿金。)
15. I have a fiduciary responsibility – to Lockhart/Gardner. (翻译:有违Lockhart/Gardner的信托义务)
fiduciary作为名词、形容词的时候，其近义词以及反义词有s、fiduciaries等。
