red herring
US /ˌred ˈher.ɪŋ/
UK /ˌred ˈher.ɪŋ/
1.
障眼法, 转移视线的东西
something, especially a clue, that is or is intended to be misleading or distracting.
:
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The detective realized the suspicious note was a red herring to throw them off the real trail.
侦探意识到那张可疑的纸条是一个障眼法，目的是让他们偏离真正的线索。
•
The politician's speech was full of red herrings to distract from the real issues.
这位政治家的演讲充满了障眼法，以转移人们对真正问题的注意力。