死當

to flunk (Tw) / (computing) to crash / to stop working

to die / impassable / uncrossable / inflexible / rigid / extremely / damned

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)