"Is on the trail of" is an idiomatic expression that typically denotes someone actively pursuing or seeking to find something or someone. The phrase often implies a relentless effort or a determined investigative process to follow leads, collect evidence, or make progress in uncovering the truth or achieving a specific goal.
When someone is "on the trail of" something or someone, they are usually engaged in a systematic search or investigation, closely analyzing clues, testimonies, or any available information that can help them advance towards their objective. This phrase commonly applies to individuals involved in detective work, journalism, scientific research, or any other endeavor that requires a thorough pursuit of knowledge or objective.
The phrase can also be used metaphorically, implying the pursuit of an abstract concept or idea rather than a tangible subject. For example, a scientist researching a breakthrough in a specific field might be said to be "on the trail of" a discovery, indicating their dedicated and persistent efforts to achieve a breakthrough.
In summary, "is on the trail of" refers to the active pursuit of something or someone through thorough investigation, examination of evidence, and following leads. The phrase conveys the notion of persistent determination, with the individual engaged in a continuous search or exploration to uncover information, achieve a specific goal, or make progress in a particular endeavor.
