bit by bit

1. 渐渐地
   Let's finish this exercise bit by bit.

   让我们一点点地把这个练习做完。

bits and pieces

1. 零碎东西
   Let me get my bits and pieces together.

   让我把零散的东西收拾一下。

to bits

1. 变成小碎片
   You first cut them to small bits.

   先把它们切成小块。

a bit

1. 有点
   Your article is a bit long.

   你的文章长了一点。

a bit much

1. 不合理
   She talks a bit much.

   她话说得太多。

do one's bit

1. 尽自己的一份力量
   We must all do our bit.

   我们都必须尽自己的力量。

every bit as

1. 就如
   He's every bit as clever as you are.

   他就像你一样聪明。

not a bit

1. 一点也不
   He's not a bit better.

   他一点也没有好转。

take the bit in (or between) one's teeth

1. 脱出控制；不受管束
   He took the bit in or between his teeth and acted against his parents' wishes.

   他不受管束而且违背父母的意愿。

• a bit
  somewhat.
• bit by bit
  gradually.
• a bit of a ——
  
  1. used to suggest that something is not severe or extreme:
     a bit of an accident.
  2. denoting a young person or one of slight build:
     a bit of a girl.
• a bit of all right
  Brit. informal an attractive or pleasing person or thing.
• bit of fluff (or skirt or stuff)
  Brit. informal a woman regarded in sexual terms.
• bit on the side
  Brit. informal
  1. a person with whom one is unfaithful to one's partner.
  2. money earned outside one's normal job.
• do one's bit
  informal make a useful contribution.
• in bits
  Brit. informal very upset or emotionally affected.
• to bits
  
  1. into pieces.
  2. informal very much.

• get (or take or have) the bit between (or N. Amer. in) one's teeth
  begin to tackle a task in a determined way.