leave off

complete, conclude, finish

close (down)

deactivate

block, blockade, dam, delay, detain, hinder, hold, hold back, impede, kibosh, obstruct, stem

call, suspend

arrest, brake, check, clamp down, rein (in), squash, squelch, stamp, stanch (or staunch), stunt, suppress, turn back

pause, stay, suspend

desist (from), lay off (of), refrain (from)

knock off, pack (up or in)

break down, conk (out), cut out, stall

pause, stay, suspend

abate, peter (out), wind down