a criminal case that has not been solved for a long time
一宗长时间未解决的刑事案件 (yī zōng cháng shíjiān wèi jiějué de xíngshì ànjiàn)
"The detective reopened a cold case from 1999."
"侦探重新开启了1999年的冷案。" (zhēntàn chóngxīn kāiqǐle 1999 nián de **lěng àn**.)
to divide the work or responsibility among people
a flight that leaves late at night and arrives early in the...
Very old or ancient
to fail completely; to come to nothing
to start working seriously
to make someone understand what you mean
