恍然大悟

to suddenly realize / to suddenly see the light

variant of 恍[huang3]

disappointed / flurried / indistinct

suddenly (understand sth) / in a flash

correct / right / so / thus / like this / -ly

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)

Dawu county in Xiaogan 孝感[Xiao4 gan3], Hubei

to comprehend / to apprehend / to become aware