tiān shàng diào xiàn bǐng
a meat pie falls from the sky (idiom)
to have something fall into your lap
天
tiān
day
上
shàng
(bound form) up; upper; above; previous
掉
diào
to fall
馅
xiàn
filling; stuffing (for dumplings, pies etc)
饼
bǐng
round flat cake
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