If you say that something is bitty, you mean that it seems to be formed from a lot of different parts which you think do not fit together or go together well.
例句
The programme was bitty and pointless.这个计划东拼西凑，毫无意义。
ADJ
很小的；一丁点儿的
If you describe someone or something as a little bitty person or thing, you are emphasizing that they are very small.
例句
She's just a little bitty wisp of a girl.她是一个很纤弱的小女孩。