时事: current trends, the present situation, how things are going...
致力于: devote oneself to/hammer at/apply oneself to/bend oneself to/commit oneself to...
开张: to open a business, first transaction of a business day...
多少: how much， how many， (phone number, student ID etc) what number?...
舰艇: warship, naval vessel...
胀: dropsical, swollen, to swell, to be bloated...
来龙去脉: the rise and fall of the terrain (idiom), the whole sequence of events, causes and effects...
影视: movies and television...
案件: case, instance...
喜欢: to like, to be fond of...
