说一不二 shuō yī bù èr

DEFINITIONS

  1. to say one and mean just that (idiom); to keep one's word

CHARACTERS

说 shuō
HSK 1
speak, say, talk; scold, upbraid
一 yī
HSK 1
one; a, an; alone
不 bù
HSK 1
no, not; un-; negative prefix
二 èr
HSK 1
two; twice