HSK 7-9
冷门
lěngmén名
a neglected branch (of arts, science, sports etc); fig. a complete unknown who wins a competition
这项冷门运动近年渐受关注。
Zhè xiàng lěngmén yùndòng jìnnián jiàn shòu guānzhù.
This little-known sport has gained attention in recent years.
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Appears across levels (7-9) in the HSK 3.0 word list.