回答
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Walk 100 meters, go past the subway station on your left, and turn left at the second street past the station.
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A hundred meters from here, you'll see a subway station on your left. Go past it, and then take the second left.
「駅の反対側」とは「on the opposite side of the station」でも言えますが、簡潔じゃないから、英語では「go past the station and then」の方を言う人が多いと思います。