/ˈpaɪrətɪk sleɪv ˈtreɪdɪŋ/ – Phrase
Definition: việc buôn bán nô lệ của bọn cướp biển.
A more thorough explanation: “Piratical slave-trading” refers to the act of engaging in the illegal trade of slaves through the use of piracy or other unlawful means. This term typically involves the transportation, sale, or purchase of individuals as slaves in violation of international laws and conventions prohibiting slavery and the slave trade.
Example: The act of engaging in piratical slave-trading is considered a serious crime under international law.