cold case

Noun

 * 1)  A criminal investigation that has not been solved after a considerable time but remains “on the books” and may be reopened when new evidence appears.
 * 2) A refrigerated display case used for selling items that are kept cold.
 * 1) A refrigerated display case used for selling items that are kept cold.

Translations

 * Hungarian: megoldatlan ügy, megoldatlan bűncselekmény, megoldatlan bűneset, függőben maradt ügy
 * Korean: 미제 사건
 * Swedish: kallt fall