HSK 7-9
灿烂
cànlàn形
to glitter; brilliant; splendid
阳光下孩子笑得十分灿烂。
Yáng guāng xià hái zi xiào dé shí fēn càn làn.
The child smiled brilliantly in the sunlight.
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Appears across levels (7-9) in the HSK 3.0 word list.