HSK 4
亮
liàng形动
bright; light; to shine; to flash; loud and clear; to show (one's passport etc); to make public (one's views etc)
房间的灯突然亮了起来。
Fáng jiān de dēng tū rán liàng le qǐ lái.
The room's light suddenly came on.
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New in the HSK 3.0 word list at level 4.