1、迅速地
... Know it like the back of your hand 了如指掌 Like the clappers 迅速地;凶猛地,非常有力地 Like there's no tomorrow 像赶着去杀头一样 ...
2、凶猛地
... Know it like the back of your hand 了如指掌 Like the clappers 迅速地;凶猛地,非常有力地 Like there's no tomorrow 像赶着去杀头一样 ...
3、高速地
...clapper board 拍板like the clappers 高速地(迅速地)...wood clapper 踏脚板 ...