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to hammer away at
[phrase form: hammer]
01
to make a great and persistent effort in order to accomplish or resolve a task or problem
Grammatical Information
Composition
phrasal
action verb
regular
inseparable
particle
away at
base verb
hammer
present tense
hammer away at
3rd person singular
hammers away at
present participle
hammering away at
past simple
hammered away at
past participle
hammered away at
Examples
He continued to hammer away at his research project until he found a breakthrough.
