Sentence examples for is very telling from inspiring English sources

The phrase "is very telling" is correct and commonly used in written English
You can use it to indicate that something reveals important information or gives insight into a situation. It can also be used to express that something is significant or revealing in a particular way. Example: "His refusal to apologize for his actions is very telling of his character." This indicates that the fact that he won't apologize is revealing something important about who he is as a person. Another example: "The lack of diversity in the company's leadership team is very telling of their values and priorities." This suggests that the homogeneity of the leadership team is revealing something significant about the company's beliefs and priorities.