Fu: meaning again
See the window again: see the window illuminated by the light from the snow again
Shiwen: hear from time to time
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Yexue·Bai Juyi
I was surprised to see the coldness of my quilt and the bright window again.
I know the snow is heavy late at night, and I hear the sound of breaking bamboo.
. "I heard the sound of breaking bamboo": ① It means that the snow broke the bamboo pole, which shows how heavy the snow is; ② The sound is used to set off the silence, highlighting the tranquility of the snowy night; ③ It means that the poet stayed up all night , also implicitly reveals the poet's desolate and lonely feeling of being relegated to living alone.