演: to develop, to evolve, to practice, to perform, to play, to act...
东张西望: to look in all directions (idiom), to glance around...
战术: tactics...
力争: to work hard for, to do all one can, to contend strongly...
配置: to deploy, to allocate, configuration, allocation...
正是: (emphasizes that sth is precisely or exactly as stated), precisely, exactly, even, if, just like, in the same way as...
