fifth columnist

英 [ˌfɪfθ ˈkɒləmnɪst]

美 [ˌfɪfθ ˈkɑːləmnɪst]

n.  第五纵队分子; 内应; 内奸

柯林斯词典

• 第五纵队队员;内应;间谍
  Afifth columnistis someone who secretly supports and helps the enemies of the country or organization they are in.

英英释义

noun

• a member of a clandestine subversive organization who tries to help a potential invader
  Synonym:saboteur

双语例句

• The fifth edition of Caijing Macroeconomic Weekly Review also contains a section called Caijing Web Site Columnist's Opinion – Economic Adjustment Unavoidable.
  《财经·宏观周报》第五期的内容还包括“《财经网》专栏作家对话&经济调整势不可挡”。