bust one's tail 出自so now all’s you gotta do is bust your tail to earn sixtybucks and you’re home free.---------《成长的烦恼》

bust one's tail
出自so now all’s you gotta do is bust your tail to earn sixty
bucks and you’re home free.---------《成长的烦恼》

俚语.很辛苦的劳作.

毁掉自己的尾巴