HSK 7-9
趁早
chènzǎo副
as soon as possible; at the first opportunity; the sooner the better; before it's too late
发现小问题就应趁早解决。
Fā xiàn xiǎo wèn tí jiù yīng chèn zǎo jiě jué.
A small problem should be solved as early as possible.
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Appears across levels (7-9) in the HSK 3.0 word list.