noun
a unit of weight equivalent to 16 ounces or 0.4536 kilograms
verb
to strike or hit repeatedly with force
adverb
in a forceful or vigorous manner
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The construction workers continued to pound away at the concrete foundation.
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I could hear my neighbor pounding away on his drums last night.
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The boxer was determined to pound away at his opponent until he knocked him out.
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She had to pound away at her keyboard for hours to finish the report on time.