"Sleeper cell" nghĩa là gì?

"Sleeper cell" = chi bộ im lìm -> nghĩa là nhóm đặc vụ, gián điệp hoặc khủng bố sống bí mật giữa cộng đồng mục tiêu đang chờ chỉ thị hoặc cơ hội hành động; 'đặc vụ nằm vùng'.

Ví dụ

The series, as with its source material, is focused on a potential Russian sleeper cell, dormant (tiềm tàng, ngấm ngầm) since the Cold War, which is operating in the UK. Suspicions (sự nghi ngờ) are aroused when washed up British agent Dickie Bow, a contemporary (đương thời) of Jackson Lamb and David Cartwright, is found dead.

The three officers were "martyred (hành hình vì đạo, chết vì nghĩa) in a raid (cuộc đột kích) on a terrorist (kẻ khủng bố) sleeper cell that holds Takfiri ideology (hệ tư tưởng)," the police statement said, referring to Islamist militants (chiến đấu, chiến sĩ) who accuse Muslims who don't follow their beliefs of being apostates (người bội giáo).

We already know that Radek is a double agent. But he’s also in some kind of sleeper cell situation with his wife Jana (Tereza Srbova), who arrives at their home and immediately notices that it was searched professionally. Radek is with the president at a military airfield (sân bay quân sự) for the official unveiling of the NATO missile (tên lửa) systems, but when he takes Jana’s call, he knows the search of his house changes everything.

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