There's no single perfect translation for "martelo-juiz" in Japanese, as the term evokes a specific cultural and legal context not directly replicated in Japan. However, depending on the context, these options might work: * **裁判槌 (saiban tsuch):** This translates literally to "court hammer" and is the most direct equivalent referring to the physical object. This is suitable if the focus is on the *object* itself. * **判決 (hanketsu):** This means "judgment" or "verdict" and refers to the *decision* made by the judge. This is suitable if the focus is on the *result* of using the gavel (the legal decision). * **(裁判長の) 判決を下す (saibanchō no) hanketsu o kudasu:** This translates to "(the presiding judge's) delivering of the judgment" This is suitable if the focus is on the *action* of the judge using the gavel. To choose the best translation, please consider the surrounding text. If you can provide the sentence where "martelo-juiz" appears, a more accurate translation can be provided.