Correct

言而无信

/ yán ér wú xìn /
Strokes

Definition

to go back on one's word/to break one's promise/to be unfaithful/to be untrustworthy

Example

Definition

fail to keep faith/one's promise; go back on one's word; be faithless

1
zhège
这个
rén
zǒngshì
总是
yánérxìn
言而无信
  
,
chūěrfǎněr
出尔反尔
  

He never keeps faith, always going back on his word.