as soft as down 柔软如绒毛
例句： I lay fast asleep on the couch, which was as soft as down, and did not wake until late in the morning.
我在软如绒毛般的长沙发椅上睡着了，一直睡到早晨很晚才醒来。
at full blast 全速地;大规模地
例句： When we visited the place, work on the construction site was at full blast and all the workers seemed to be working very hard.
当我们去参观时，建筑工地的工作已经全面展开，而且所有的人都在忙碌着。
B
be above board 光明正大的
be crazy about 爱的发狂
例句： I am really crazy about Michael Jackson's rock'n'roll.
我对麦克杰克逊的摇滚爱的发狂。
be for the birds 荒唐可笑的;毫无价值的
例句： Their opinions on art are simply for the birds.
他们对艺术的见解真是荒唐可笑。
beat it 叫人 "走开 "的 口语 ，和 "Be off! 差不多，不过比后者更流行。
例句： He kept on bothering me, so I told him to beat it.
他不停地烦我，因此我叫他走开。
beat ones brains (out) 指做事困难， "伤透了脑筋 "
例句： I beat my brains (out) to get a job.
为了找寻工作，我伤透了脑筋。
beat sb to the draw 抢先某人行动