HSK 7-9
灵通
língtōng形
fast and abundant (news); clever; effective
老周消息灵通，总能提前做好安排。
Lǎozhōu xiāoxilíngtōng, zǒngnéng tíqián zuòhǎo ānpái.
Old Zhou is well informed and can always prepare in advance.
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Appears across levels (7-9) in the HSK 3.0 word list.