照常: as usual...
这时候｜这时: at this moment; at this time...
负责: to be in charge of, to take responsibility for, to be to blame, conscientious...
开销: to pay (expenses), expenses, (old) to dismiss (an employee)...
见闻: what one has seen and heard, knowledge, one's experience...
生词: new word (in textbook), word that is unfamiliar or not yet studied...
乒乓球: table tennis, ping-pong, table tennis ball...
剧: theatrical work (play, opera, TV series etc), dramatic (change, increase etc), acute, severe...
侃侃而谈: to speak frankly with assurance...
激化: to intensify...
