/ɪnˈsaɪd/ – Adjective
Definition: trong hoặc bên trong
A more thorough explanation: known or done by someone that belongs to a particular business, group, or organization; known by someone with particular knowledge about a person, business, organization, or event etc
Example: He began buying shares in Musicland around 1998, based on inside information that the chain was about to be acquired by Best Buy.