An unruly mob broke down police barricades and stormed the courtroom.一伙暴徒搗毀了警察設置的路障沖進法庭。Last year 600 inmates rioted, starting fires and building barricades.去年，600名犯人鬧事，他們縱火并設置路障。Youths threw up barricades on the streets...
我從他那里學到了許多關于經營樂隊方面的東西.I learned a lot from him about how to run a band.你在學生時代學到什么東西了嗎？Did you learn anything in your day, as a student?從哈爾熟練的方法中可以學到很多。There is a great deal to learn from Hal's expert approach....
The melody harks back to one of his earlier symphonies.這首曲子使人想起他早期的一首交響曲.This harks back to a previous remark of his.這又返回到了先前對他的評論.When one dog harks at a shadow a hundred others join in.一犬吠影,百犬吠聲....