HSK 7-9
沉着
chénzhuó形
steady; calm and collected; not nervous
遇到危险时必须保持沉着。
Yù dào wēi xiǎn shí bì xū bǎo chí chén zhuó.
You must remain calm when facing danger.
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Appears across levels (7-9) in the HSK 3.0 word list.