足够: enough, sufficient...
力量: power, force, strength...
音乐会: concert...
磨难: a torment, a trial, tribulation, a cross (to bear), well-tried...
川流不息: the stream flows without stopping (idiom); unending flow...
边界: boundary, border...
海浪: sea wave...
投入: to throw into, to put into, to throw oneself into, to participate in, to invest in, absorbed, engrossed...
文件: document, file...
表明: to make clear, to make known, to state clearly, to indicate, known...