1 PHRASAL VERB 大量生产（劣质产品） If a company bangs out a poor quality product, they produce large quantities of it in order to make money. 大量生产（劣质产品） [disapproval]
2 PHRASAL VERB （并不出色地用乐器大声）演奏出，敲出，砸出（某一乐曲） If someone bangs out a tune on a musical instrument such as a piano, they play it loudly and not very well. （并不出色地用乐器大声）演奏出，敲出，砸出（某一乐曲）