not up to snuff(redirected from aren't up to snuff)
not up to snuff
Not acceptable or satisfactory; not attaining a particular standard. Your papers have been very good all semester, but, frankly, this one is not up to snuff.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
not up to scratch and not up to snuff
Fig. not adequate. Sorry, your paper isn't up to scratch. Please do it over again. The performance was not up to snuff.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.