out of the loop

蚊帳の外に置かれて,十分知らされないで

Ex

  • A few people knew what was going on, but everybody else was out of the loop.

Reference source

  • http://www.berlitz.co.jp/wm/05atwork/0217.htm
  • https://ameblo.jp/ivyeikaiwa/entry-11582487818.html