核大国

a nuclear power (country)

pit / stone / nucleus / nuclear / to examine / to check / to verify

variant of 核[he2] / to investigate

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)

a power (i.e. a dominant country)

surname Guo

country / nation / state / national / CL:個|个[ge4]

military nuclear power