过往: to come and go, to have friendly relations with, in the past, previous...
动弹: to budge...
书籍: books, works...
住院: to be in hospital, to be hospitalized...
武器: weapon, arms...
达到: to reach, to achieve, to attain...
定时: to fix a time, fixed time, timed (of explosive etc)...
惊慌失措: to lose one's head out of fear (idiom)...
匹配: to mate or marry, to match, matching, compatible...
置: to install, to place, to put, to buy...
