NEGLECT
let something slide
to neglect something. (Informal.)John let his lessons slide.Jane doesn't let her work slide.
let the chance slip by
to lose the opportunity (to do something).When I was younger, I wanted to become a doctor, but I let the chance slip by.Don't let the chance slip by. Do it now!
let things slide
to ignore the things that one is supposed to do; to fall behind in the doing of one's work.I am afraid that I have let things slide while I was recovering from my operation.If I let things slide for even one day, I get hopelessly behind in my work.