{adv. phr.} Sooner than one would expect. * /Don't despair; we'll be finished with this work before you know it!/
BEFORE YOU KNOW IT
Meaning of BEFORE YOU KNOW IT in English
Slang English vocab. Английский сленговый словарь. 2012
{adv. phr.} Sooner than one would expect. * /Don't despair; we'll be finished with this work before you know it!/
Slang English vocab. Английский сленговый словарь. 2012