Sent_en: 2zh He regretted that despite having U.S. nationality, the U.S. government did nothing for the release of its four citizens, stating that "this is [a] severe violation of the US laws and constitution."
Sent_yy: 他感到遗憾的是，尽管拥有美国国籍，但美国政府没有采取行动释放其四名公民，并表示“这严重违反了美国的法律和宪法”。