The phrase “get to the bottom of it” means to investigate or explore a situation thoroughly in order to understand the truth or find the root cause of a problem or issue. It suggests a determination to uncover hidden facts or clarify uncertainties. This expression is often used in contexts where there is confusion, suspicion, or a need for clarification, such as in problem-solving, detective work, or resolving disputes.
For example, if a team is facing ongoing issues with a project, a manager might say, “We need to get to the bottom of it to figure out why we’re not meeting our deadlines.” This implies that they will dig deeper into the circumstances surrounding the delays to identify the underlying issues.