Ш100
HE ШУТКА
collNPInvarsubj-compl with быть0, pres only)
1. ( subj: a quantit NP) the amount or quantity of people (things etc) in question is considerable, is relatively large
no small number (amount, sum etc)
no piddling amounta hefty number (amount)nothing to sneeze at(in limited contexts) it counts for something.
2. ( subj: usu. abstr or a clause, occas. concr) some action (phenomenon etc) should be taken seriously, considered significant (because it may have serious consequences, is a significant accomplishment etc): no joke
no laughing matternothing to sneeze atnot to be sneezed at.
3. ( subj: infin) doing sth. is not easy, requires resolve, effort, courage etc
no easy task
quite a feat.