挖井是一件苦差事。

Digging a well is hard work.

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他们需要喝水的时候，就会开始挖井。

When they need water, they begin to dig a well.

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知识的积累如同用针挖井。

The accumulation of knowledge like digging a well with a needle.

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人们也通过挖井来获取地下水以供使用。

Ground water is also obtained for human use by sinking Wells.

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就拿挖井这件事来说。

Take digging a well.

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就拿挖井这件事来说。

Take digging a well.

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