当事

to be in charge / to be confronted (with a matter) / involved (in some matter)

to consider as a matter of importance / to be of importance

(onom.) dong / ding dong (bell)

to be / to act as / manage / withstand / when / during / ought / should / match equally / equal / same / obstruct / just at (a time or place) / on the spot / right / just at

at or in the very same... / suitable / adequate / fitting / proper / to replace / to regard as / to think / to pawn / (coll.) to fail (a student)

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

persons involved or implicated; party (to an affair)

persons involved or implicated / party (to an affair)

the person involved / the people holding power

useless / regard as useless

the countries involved