grind to a halt
Also, come to a grinding halt. Gradually come to a standstill or end. For example, Once the funding stopped, the refurbishing project ground to a halt, or She's come to a grinding halt with that book she's writing. This expression alludes to a clogged engine that gradually stops or a ship that runs aground.
|grind to a halt|
|be unable to move further; "The car bogged down in the sand"|