do one's bit

advance assist help lead strengthen support

aid augment conduce fortify redound reinforce supplement tend uphold

add to be conducive be instrumental finger in the pie get in the act have a hand in put in two cents sit in on

decrease hinder hurt stop

injure subtract weaken

counteract disapprove harm neglect oppose shun take take away withdraw withhold

come through get going

aid attack begin buckle down chip in commence contribute contribute work cooperate do fall to get busy get cracking go to it help hop to it join in jump in launch lend a hand participate plunge into set about set to subscribe tackle tee off volunteer wade in

hinder hurt prevent