したしら下調shitashiraべbe
1.
The act of gathering information and knowledge beforehand to ensure readiness for a specific task, such as conducting an investigation or a research project.
2.
The process of visiting a location in advance to understand the circumstances and details before engaging in an event or activity there.
3.
The practice of researching topics or materials in preparation for academic activities, like classes or presentations, to enhance understanding and performance.
Example:
下調べはしたかい。会議は2日後だよ。