1.mobile gaming 手机游戏
例句:This increase in mobile device usage has also led to the growth of the mobile gaming industry.
移动设备的普及也促进了手机游戏产业的发展。
2.back-office 后勤部门
例句:As a result, many back-office jobs, for example, have been relocated to mainland China.
例如,很多后台职位因此转移到了中国内地。
3.catch up with 赶上;追上
例句:The law caught up with him yesterday.
昨天,他被捉拿归案。
4.give away 放弃;赠送
例句:He was arrested for having given away state secrets.
他因泄漏国家机密而被捕。