HSK 7-9
低谷
dīgǔ名
valley; trough (as opposed to peaks); fig. low point; lowest ebb
公司正在努力走出市场低谷。
Gōng sī zhèng zài nǔ lì zǒu chū shì chǎng dī gǔ.
The company is working to emerge from a market slump.
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Appears across levels (7-9) in the HSK 3.0 word list.