四大天王

the four heavenly kings (Sanskrit vajra) / the four guardians or warrior attendants of Buddha

four / 4

the four elements: earth, water, fire, and wind (Buddhism) / the four freedoms: speaking out freely, airing views fully, holding great debates, and writing big-character posters, 大鳴大放|大鸣大放[da4 ming2 da4 fang4], 大辯論|大辩论[da4 bian4 lun4], 大字報|大字报[da4 zi4 bao4] (PRC)

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

day / sky / heaven

emperor / god / Hong Xiuquan's self-proclaimed title / see also 洪秀全[Hong2 Xiu4 quan2]

king or monarch / best or strongest of its type / grand / great

to rule / to reign over