HSK 7-9
锋利
fēnglì形
sharp (e.g. knife blade); incisive; to the point
这把刀十分锋利要小心。
Zhè bǎ dāo shí fēn fēng lì yào xiǎo xīn.
This knife is extremely sharp, so be careful.
Say it
Hold the button, say it, then let go.
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Appears across levels (7-9) in the HSK 3.0 word list.