茲事體大

this is no small thing (idiom) / to have a serious matter at hand

now / here / this / time / year

matter / thing / item / work / affair / CL:件[jian4],樁|桩[zhuang1],回[hui2]

things / affairs / decorum

body / form / style / system / substance / to experience / aspect (linguistics)

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)