马邑之谋 (馬邑之謀) mǎyì zhī móu

mǎyì zhī móu proper noun Scheme of Mayi
Domain: History 历史 , Subdomain: China
Notes: 133 BCE; A ill-fated scheme by 王恢 Wang Hui to ambush the Xiongnu at 马邑 (Wikipedia '马邑之谋')