当真

to take seriously / serious / No joking, really!

(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)

really / truly / indeed / real / true / genuine