一线: front line...
忙活: to be really busy, pressing business...
乔装: to pretend, to feign, to disguise oneself...
打官司: to file a lawsuit, to sue, to dispute...
磁带: magnetic tape...
以为: to think (i.e. to take it to be true that...) (Usually there is an implication that the notion is mistaken – except when expressing one's own current opinion.)...
惨: miserable, wretched, cruel, inhuman, disastrous, tragic, dim, gloomy...
