Rival telephone companies were quick off the blocks with their reduced price offers.The project for rebuilding the theatre is now off the starting blocks.
(redirected from be off the blocks)
be off the (starting) blocks
To be working on a certain activity. (Runners are positioned at the "starting blocks" at the beginning of a race.) The construction crew is already off the blocks, so you need to call them right now if you want to stop the project.