事關重大

the implications are profound / the ramifications are huge / (of a decision etc) consequential

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

to concern / on (some topic) / about / concerning / to have importance for

mountain pass / to close; to shut; to turn off / to confine; to lock (sb) up; to shut (sb in a room, a bird in a cage etc) / to concern; to involve

to repeat / repetition / again / re- / classifier: layer

heavy / serious / to attach importance to

great / important / major / significant

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)