但法律专家们不能肯定这一指控是否成立。But legal experts are not sure if such a charge can stick.关键问题是4名被告是否存在欺诈行为。The key issue was whether the four defendants acted dishonestly.每天都有人来检查是否一切都井然有序。Someone comes in every day to check all is ...

“是否”的拼音为：shì fǒu...

“是否”的英语可以翻译为：whether or not，whether，if ...