烦闷: moody, gloomy...
仇人: foe, one's personal enemy...
成效: effect, result...
方方面面: all sides, all aspects, multi-faceted...
主角: leading role, lead...
读音: pronunciation, literary (rather than colloquial) pronunciation of a Chinese character...
车辆: vehicle...
公众: public...
寓意: moral (of a story), lesson to be learned, implication, message, import, metaphorical meaning...
刀: knife, blade, single-edged sword, cutlass, (slang) dollar (loanword), classifier for sets of one hundred sheets (of paper), classifier for knife cuts or stabs...