大肆: wantonly, without restraint (of enemy or malefactor), unbridled...
不许: not to allow, must not, can't...
主力: main force, main strength of an army...
不得不: have no choice or option but to, cannot but, have to, can't help it, can't avoid...
膜: membrane, film...
探求: to seek, to pursue, to investigate...
泄露: to leak (information), to divulge, also pr....
比喻: to compare, to liken to, metaphor, analogy, figure of speech, figuratively...
期间: period of time, time, time period, period...
诽谤: to slander, to libel...