slow train
noun1
Rail transport, Railways, Transport Synonym of local train.
2
Figuratively The act of doing something (possibly, but not necessarily traveling) slowly.
- Unilateral U.S. sanctions against Iran are on track, Senate officials say, but taking the slow train.2009 December 16, Ron Kampeas, “Obama and Kerry slowing sanctions legislation push”, in Jewish Telegraphic Agency, retrieved 20 Feb 2022: