skullduggery的复数形式怎么拼写？

skullduggery的音标：skullduggery的英式发音音标为：[skʌl'dʌɡəri]skullduggery的美式发音音标为：[skʌl'dʌɡəri]...

His defense, which seems credible on the evidence so far, is that the bank masked its skullduggery so completely that no regulator anywhere in the world could get a handle on it.他的辩词(根据目前证据似乎可信)是:银行把它的偷天换日的做法遮掩得天衣无逢,全世界任...

n.欺骗，作假，使诈，诡计...