HSK 7-9
连贯
liánguàn动
to link up (disparate elements); coherent (narrative, argument etc)
他的叙述前后连贯，容易理解。
Tā de xùshù qiánhòu liánguàn, róngyì lǐjiě.
His account is coherent from beginning to end and easy to follow.
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Appears across levels (7-9) in the HSK 3.0 word list.