The phrase "keeps lid on" can be understood as an idiomatic expression that refers to the act of restraining or suppressing something, particularly information, emotions, or a situation. In a literal sense, its root metaphor derives from the image of keeping an object's lid tightly closed to prevent its contents from spilling out or becoming exposed. Metaphorically, it implies controlling or maintaining a certain level of secrecy, confidentiality, or containment for something that possesses the potential to cause conflict or controversy if revealed.
When applied in the context of information, "keeps lid on" signifies the deliberate act of withholding or concealing facts, details, or knowledge. It is commonly used when discussing confidential matters, sensitive issues, or classified information, where the aim is to actively restrict the dissemination of such information to a select group of individuals or the general public.
Furthermore, "keeps lid on" can also pertain to emotional control or constraint. It suggests keeping one's feelings under control, avoiding public displays of strong emotions, or masking inner sentiments in situations that warrant composure and decorum. It implies the ability to maintain a calm and composed demeanor even amidst challenging or provoking circumstances.
Overall, "keeps lid on" encapsulates the concepts of restraint, concealment, and containment, whether it be applied to information, emotions, or situations, emphasizing the conscious act of managing and suppressing potential upheaval or exposure.
