Here are some ways the phrase is used:
* "Don't just talk about it, do it!" This emphasizes the need for action over words.
* "He talks a big game, but his actions don't match his words." This highlights the discrepancy between someone's words and their behavior.
* "Talk is cheap, but coffee is expensive." This is a humorous way of saying that people should focus on real-world actions, not just empty promises.
Essentially, "talk is cheap" is a reminder that actions speak louder than words.