動詞 bang-up:

1. damage or destroy as if by violence
   同義詞：bang up, smash up, smash
2. make pregnant
   同義詞：impregnate, knock up, bang up, prang up

形容詞 bang-up:

1. very good
   同義詞：bully, corking, cracking, dandy, great, groovy, keen, neat, nifty, not bad, peachy, slap-up, swell, smashing

bang-up

adj.Informal （形容詞）【非正式用語】
Very good; excellent.
非常好的；出色的

來源：
From bang
源自 bang