to hammer away at
01
不懈努力, 坚持
to make a great and persistent effort in order to accomplish or resolve a task or problem
语法信息
形态构成
短语
动作动词
规则
不可分离
小品词
away at
基本动词
hammer
现在时
hammer away at
第三人称单数
hammers away at
现在分词
hammering away at
一般过去时
hammered away at
过去分词
hammered away at
例子
He continued to hammer away at his research project until he found a breakthrough.
他继续埋头苦干于他的研究项目，直到找到了突破。
