不通 (bù tōng) means “to be obstructed; to be blocked up; to be impassable; to make no sense; to be illogical”. It is an HSK 6 Chinese word in the HSK 3.0 vocabulary.
这条路不通,请绕行。
Zhè tiáo lù bù tōng, qǐng ràoxíng.
This road is blocked; please take a detour.
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