HSK 7-9
难得一见
nándé yí jiànrarely seen
今晚将出现难得一见的天象。
Jīnwǎn jiāng chūxiàn nándéyíjiàn de tiānxiàng.
A rarely seen celestial phenomenon will appear tonight.
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Appears across levels (7-9) in the HSK 3.0 word list.