网民: web user, netizen...
不大: not very, not too, not often...
学问: learning, knowledge...
捣乱: to disturb, to look for trouble, to stir up a row, to bother sb intentionally...
防火墙: firewall...
晃荡: to rock, to sway, to shake...
序: order, sequence, preface...
治理: to govern, to administer, to manage, to control, governance...
炸弹: bomb...
毕业生: graduate...