be unable to hear yourself think
be unable to hear (oneself) think
To be unable to concentrate on anything due to overwhelming noise. Can you turn down that blaring music? I'm unable hear myself think! There's so much construction going on during the day that you're unable to hear yourself think over the chorus of jackhammers.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
be unable to hear yourself thinkbe unable to think clearly as a result of an excessive amount of noise. informal
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