crack down on (?.)
- ambush
- asphyxiate
- assail
- assault
- attack
- blitz
- bottle up
- bushwhack
- censor
- choke off
- clamp down on
- come at
- come down on
- cork
- cork up
- crush
- damp down
- descend on
- descend upon
- drown
- extinguish
- fall on
- fall upon
- gag
- gang up on
- go at
- go for
- harry
- have at
- hit
- hit like lightning
- hold down
- jump
- jump on
- keep down
- keep under
- kill
- land on
- lay at
- lay hands on
- lay into
- light into
- mug
- muzzle
- pitch into
- pounce upon
- pound
- pour water on
- quell
- quench
- repress
- sail into
- set on
- set upon
- shut down on
- silence
- sit down on
- sit on
- smash
- smother
- squash
- squelch
- stanch
- stifle
- strangle
- strike
- stultify
- subdue
- suffocate
- suppress
- surprise
- swoop down on
- take the offensive
- throttle
- wade into
