纯: pure, simple, unmixed, genuine...
万一: just in case, if by any chance, contingency...
惨痛: bitter, painful, deeply distressed...
火候: heat control, maturity, crucial moment...
衰竭: organ failure, exhaustion, prostration (medicine)...
年夜饭: New Year's Eve family dinner...
恰好: as it turns out, by lucky coincidence, (of number, time, size etc) just right...
高原: plateau...
算盘: abacus, plan, scheme...
接二连三: one after another (idiom), in quick succession...
