Definition
This idiom is used to describe someone whose actions do not align with their stated beliefs or intentions.
指某人言行不一，說一套做一套。
That politician always talks a big game during campaigns, but after taking office, he fails to deliver on his promises; he really talks the talk but doesn't walk the walk.
那位政治人物在競選期間總是說得天花亂墜，但上任後卻未能兌現承諾；他確實是說一套做一套。
He always says he cares about the environment, but he often litters, which is clearly a case of talking the talk but not walking the walk.
他總是說自己關心環境，但他經常亂丟垃圾，這顯然是說一套做一套。
She constantly emphasizes the importance of teamwork, but in reality, she always acts unilaterally, which is a typical example of talking the talk but not walking the walk.
她不斷強調團隊合作的重要性，但實際上她總是獨斷專行，這是典型的說一套做一套。