What does it is hard to say?

"It is hard to say" is an expression used to convey uncertainty, ambiguity, or a lack of definitive knowledge or clarity about a particular situation, topic, or event. It is often used when someone is not confident in their ability to make a definitive statement or prediction, or when there is not enough information available to make a conclusive judgement.

For example:

- "It is hard to say whether the economy will improve in the coming months, as there are many factors that could influence its performance."

- "It is hard to say who will win the upcoming election, as both candidates have strong support and the outcome is likely to be close."

- "It is hard to say what caused the accident, as the investigation is still ongoing and all the evidence has not yet been gathered."

In these examples, "it is hard to say" is used to acknowledge that the speaker does not have enough information or certainty to make a definitive statement, and that further analysis, research, or time is needed to gain a clearer understanding of the situation. It is a way of expressing caution and not making unfounded assumptions or predictions without sufficient evidence or knowledge.