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to dig through; to drill into; to excavate
井戸を掘抜くのに三日かかった。
It took three days to dig the well.
山を掘抜いてトンネルを完成させた。
They excavated through the mountain and completed the tunnel.
作業員が山の岩盤を掘抜いた。
The workers drilled through the rock face of the mountain.