剧情: story line, plot, drama (genre)...
挂失: to report the loss of something...
这就是说: in other words, that is to say...
问候: to give one's respects, to send a greeting, (coll.) to make offensive reference to (somebody dear to the person to whom one is speaking)...
三角: triangle...
启事: announcement (written, on billboard, letter, newspaper or website), to post information, a notice...
服用: to take (medicine)...
难道: don't tell me..., could it be that...?...
幸免: to avoid (an unpleasant fate)...
愉快: cheerful, cheerily, delightful, pleasant, pleasantly, pleasing, happy, delighted...