He has never been one to 'let the grass grow under his feet'. [=he has never been slow about doing things; he gets things done quickly]
The young candidate hoped to gather votes at the 'grassroots' level in his own neighborhood.
I'm not ready to be 'put out to grass' [='put out to pasture'] just yet.
(..) BELLE: "The air is blue and keen and cold... "and in a frozen sheath, enrolled. "Each branch, each twig... "each blade of grass seems clad miraculously with... "glass." (BIRDS CHIRPING IN DISTANCE) I feel as if I'm seeing it for the first time. (..)2017 Beauty and the Beast