get at

(verb) reach or gain access to. Synonyms: access, get at. Examples: "How does one access the attic in this house?." "I cannot get to the t.v. antenna, even if i climb on the roof."

(verb) influence by corruption. Synonyms: get at.

(verb) cause annoyance in; disturb, especially by minor irritations. Synonyms: annoy, rag, get to, bother, get at, irritate, rile, nark, nettle, gravel, vex, chafe, devil. Examples: "Mosquitoes buzzing in my ear really bothers me." "It irritates me that she never closes the door after she leaves."