fiduciary的复数形式怎么拼写？

They have a case against their directors for breach of fiduciary duty.他们掌握了足够的证据控告董事违犯信托责任。A company director owes a fiduciary duty to the company.公司董事应对公司负责受托人责任.He was acting in a fiduciary capacity.他以受托人身份行为....

fiduciary的音标：fiduciary的英式发音音标为：[fɪ'dju:ʃəri]fiduciary的美式发音音标为：[fɪ'duʃiˌɛri, -ʃəri, -'dju-, faɪ-]...

v.基于信用的，信托的，受信托的n.被信托者，受托人...