HSK 7-9
迟迟
chíchí副
late (with a task etc); slow
救援车辆迟迟没有到达。
Jiù yuán chē liàng chí chí méi yǒu dào dá.
The rescue vehicle was slow to arrive.
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Appears across levels (7-9) in the HSK 3.0 word list.