北魏
Wei of the Northern Dynasties (386-534), founded by the Tuoba 拓跋 branch of Xianbei 鮮卑|鲜卑
北威州
North Rhine-Westphalia, Germany
慈悲为本
mercy as the guiding principle (idiom); the Buddhist teaching that nothing is valid except compassion
狼狈为奸
villains collude together (idiom); to work hand in glove with sb (to nefarious ends)
紫背苇鳽
(bird species of China) von Schrenck's bittern (Ixobrychus eurhythmus)
转悲为喜
to turn grief into happiness (idiom)