1.bit by bit  一点点地

2.do one's bit  尽一份力

3.quite a bit  相当多;比较

4.not a bit  一点也不

5.not a little  很;非常

6.be black and blue  遍体鳞伤

7.bear the blame  受过

8.lay/put the blame on/upon sb for sth  把责任推到某人身上

9.turn a blind eye to  熟视无睹

10.blow away  刮走

11.blow down  吹倒

12.blow off  吹掉

13.blow out  吹灭

14.blow up  爆炸

15.on board  在船（火车/飞机）上