說一套做一套 的英文怎麼說?

[1] to renege[2] break one's promise
  break one's word
  go back on one's word[3] says one thing and does another[4] not practice what one preaches[5] be two-faced

He reneged on our deal = 我們說好了也達成協議了，但他說話不算話

[2]單純的指說話不算話. [3]指說一套做一套, 例如說會做這個做那個, 到頭來卻什麼也沒做. [4]指一個人不做自己常常鼓吹或宣揚的事情, 例如父親教導兒子不可半途而廢, 自己卻沒有做到.

be two-faced = 說一套做一套 = 表裡不一