掘地三尺
jué dì sān chǐ
- dig deep;dig to a depth of three feet
掘地三尺
掘地三尺[jué dì sān chǐ]
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你无须掘地三尺去探明你在泄露哪些信息&手机已经清楚的告诉了你答案，并让你做出选择。
You don 't have to dig deep to figure out what information you are divulging-it tells you up front and lets you decide what to do .
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但这三位研究人员的数字说明，除非电磁技术发生突破（例如发现某种室温超导体），全世界的地质工作者还是现在就开始掘地三尺，全球搜寻稀土矿为妙。
But barring a breakthrough in magnet technology ( the discovery of a room-temperature superconductor , for example ) the three researchers ' figures suggest that the world 's geologists would do well to start scouring the planet for rare-earth ores now .