work overtime(to use a lot of energy, effort, or enthusiasm trying to do it. [informal] She works overtime with her vacuum cleaner to keep grit out of the kitchen. Bullfinch)
complete picture(происходящего: While we have a general view of what's going on, we still need to dig a lot deeper to fully understand what's going on and to get a more complete picture. (Ken Sim, Global TV)ART Vancouver)
train wreck(This project has become an absolute train wreck. We've wasted so much time and money already, I don't know how we'll make up the lossesTaras)