调侃: to ridicule, to tease, to mock, idle talk, chitchat...
归还: to return sth, to revert...
银牌: silver medal...
强盗: to rob (with force), bandit, robber...
展开: to unfold, to carry out, to be in full swing, to launch...
电源: electric power source...
当今: current, present, now, nowadays...
对应: to correspond, a correspondence, corresponding, homologous, matching with sth, counterpart...
翻番: to double, to increase by a certain number of times...
珠宝: pearls, jewels, precious stones...