| 单词 | keep one's nose to the grindstone |
| 释义 | keep one's nose to the grindstone 埋头苦干 =have one's (或 someone's) nose to the grindstone 以上来源于：《21世纪大英汉词典》 keep 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His wife was wasteful and he had to keep |
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