“hammer away”可以造什么句，hammer away造句
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That lesson is not easy, but hammer away at it and you will get it right.
The latest polls show McCain and Democrat Barack Obama virtually tied in Missouri, and McCain sought to make headway by continuing to hammer away at Senator Obama's tax cut proposal.
Each of you hires a lawyer and lets them hammer away at each other on your nickel.
Took hammer away from midget.
