talk the talk指的是话说得头头是道。并且，带有夸夸其谈的意思，也就是说一个人空有其谈，却没有实际行动。

【例句】
You can talk the talk but can you walk the walk?
你说得头头是道，可是你做得到吗？

Many companies talk the talk, but only a few walk the walk.
许多公司仅仅是口头上说，但很少采取行动。