| HSK 3.0 | Big5 | Gb | Pin | Eng |
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| 6 | 暢通 | 畅通 | chàngtōng | unimpeded, free-flowing, straight path, unclogged, move without obstruction
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| 7 | 流暢 | 流畅 | liúchàng | flowing (of speech, writing), fluent, smooth and easy
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| 7 | 流水 | 流水 | liúshuǐ | presto, turnover, flowing water, turnover (in business), flowing/running water, flowing, running water
|
| 7 | 疏通 | 疏通 | shūtōng | to unblock, to dredge, to clear the way, to get things flowing, to facilitate, to mediate, to lobby, to explicate (a text)
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