自下而上 zì xià ér shàng

DEFINITIONS

  1. bottom-up

CHARACTERS

自 zì
HSK 3
self, private, personal; from
下 xià
HSK 1
under, underneath, below; down; inferior; bring down
而 ér
HSK 3
and; and then; and yet; but
上 shàng
HSK 1
top; superior, highest; go up, send up