Phrases with «to be a fly on the wall»

I wrote recently after one game that I'd have loved to have been a fly on the wall in the dressing room at half time. (uptheclarets.com)
Oh to be a fly on the wall at arsenal. (justarsenal.com)
In their unique and captivating approach the authors invite you to be a fly on the wall of marital therapy sessions and what happens in the couple's relationship between sessions. (michaelregier.com)
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