1.Indians are already up in arms following his recent and sudden decision to ban the old 500 and 1,000 rupee banknotes.
up in arms竭力反对
The tobacco merchants rose up in arms over the increase in taxes.
烟草商人对提高税率非常恼火 。
2.They ceased to be legal tender in India from the 9th of November, although the old 500-rupee note was replaced by an updated version.
legal tender法定货币
The old pound note is no longer legal tender.
旧制的英镑纸币已不是法定的货币了 。