treason
noun [ U ] uk/ˈtriː.zən/ us/ˈtriː.zən/
叛国（罪）
(the crime of) showing no loyalty to your country, especially by helping its enemies or trying to defeat its government
In 1606 Guy Fawkes was executed for treason. 在1606年，盖伊‧福克斯被以叛国罪处决。
Compare: betrayaltreachery
See also: high treason