升级: to escalate (in intensity), to go up by one grade, to be promoted, to upgrade (computing)...
震撼: to shake, to shock, to stun, shocking, stunning, shock...
交头接耳: to whisper to one another's ear...
之内: inside, within...
上次: last time...
大事: major event, major political event (war or change of regime), major social event (wedding or funeral), (do sth) in a big way...
形势: circumstances, situation, terrain...
