be on one's back

annoy bother goad harass heckle hector persecute pester pursue

bait bug chivy curdle dog drive harry hassle hunt impel prod provoke rag ride scout scratch tail

be at be on one's case be on one's tail beat the bushes bird-dog give chase hunt down leave no stone unturned rag on scratch around search high heaven take out after track down turn inside out turn upside down yap at

aid help ignore make happy please soothe support

discourage dissuade halt let go repress stop

leave alone