hammer away at
Keep at something continuously, as in The reporters hammered away at the candidate. This phrase employs hammer in the sense of “beat repeatedly,” a usage dating from the mid-1600s.
Words nearby hammer away at
hammarskjöld,
hammarskjöld, dag,
hammer,
hammer and sickle,
hammer and tongs,
hammer away at,
hammer beam,
hammer blow,
hammer drill,
hammer finger,
hammer mill