It implies that the person has a way with words that is smooth, charming, and captivating, making them very convincing in their arguments or speeches. This is often associated with:
* Excellent communication skills: They know how to use language effectively, choosing the right words to sway their audience.
* Smooth talking: Their speech is effortless and flowing, making it enjoyable to listen to.
* Persuasiveness: They can convince others to agree with their point of view, even if it's not entirely their own.
The image of a "silvery tongue" evokes a sense of elegance, smoothness, and even a bit of magic in the way the person speaks. It suggests that they have a natural talent for using words to their advantage.
Here are some examples of how the idiom is used:
* "The politician had a silvery tongue and easily charmed the voters."
* "The salesman used his silvery tongue to convince the customer to buy the product."
* "She has a silvery tongue, she can talk her way out of anything."
While "silvery tongue" usually implies positive qualities, it can sometimes have a negative connotation, suggesting that the person might be manipulative or deceptive.