买一送一 mǎi yī sòng yī

DEFINITIONS

  1. buy one, get one free
  2. two for the price of one

CHARACTERS

买 mǎi
HSK 1
buy, purchase; bribe, persuade
一 yī
HSK 1
one; a, an; alone
送 sòng
HSK 2
see off, send off; dispatch, give
一 yī
HSK 1
one; a, an; alone