| 单词 | have one's nose to the grindstone |
| 释义 | have one's nose to the grindstone 埋头苦干 埋头苦干 以上来源于：《21世纪大英汉词典》 have one's nose to the grindstonephr.⇨have [hold, keep] one's nose at [to] the grindstone① 孜孜不倦地用功；不停地工作 |
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