A grave offense, not so serious as to be punishable by death, but bordering upon it; high misdemeanor.

【法律】(不致判死刑之)重罪。

Wrongful act by a public official.

(官员的)失职；渎职。

Concealment of a crime, or failure to prevent its commission, esp. the crime of treason.

隐匿罪行；知情不报(尤指叛国罪)。