tiān shàng bù huì diào xiàn bǐng
there is no such thing as a free lunch (idiom)
天
tiān
day
上
shàng
(bound form) up; upper; above; previous
不
bù
no; not so
会
huì
can; to have the skill; to know how to
掉
diào
to fall
馅
xiàn
filling; stuffing (for dumplings, pies etc)
饼
bǐng
round flat cake
