If something is bitty, it is made of small parts that do not seem to belong together. A bitty report hops from point to point. A bitty conversation never settles. Teachers and reviewers in Britain use this a lot; it is informal-to-neutral, a little critical but not unkind.

If something is bitty如果某個東西是 bitty 的，it is made of small parts that do not seem to belong together它是由一些看起來不太搭在一起的小部分組成的。A bitty report一份 bitty 的報告，hops from point to point東跳一點、西跳一點。A bitty conversation一段 bitty 的對話，never settles一直定不下來。Teachers and reviewers in Britain use this a lot英國的老師和評論者很常用這個字；it is informal-to-neutral它的語氣算是介於非正式和中性之間，a little critical but not unkind有點批評，但不算刻薄。

Though actually, you will also hear bitty in another, softer way, especially in American English: itty-bitty (and sometimes just bitty) meaning very small and cute. That is a different use. And drink or soup can be bitty in a more physical way — little bits floating in it.

Though actually不過，you will also hear bitty in another, softer way你也會聽到 bitty 用在另一種比較溫和的說法裡，especially in American English尤其是美式英文裡：itty-bitty (and sometimes just bitty) meaning very small and cuteitty-bitty（有時候就只說 bitty）表示非常小、很可愛。That is a different use這是不同的用法。And drink or soup can be bitty in a more physical way飲料或湯也可能在比較實際的意義上是 bitty 的——little bits floating in it裡面漂著一些小碎屑。

The sense you need for most school writing is the first one: not joined up. It comes from bit, a small piece, plus -y, ‘full of / like’.

The sense you need for most school writing is the first one你在學校寫作裡大多需要的是第一個意思：not joined up也就是不連貫、不成一體。It comes from bit, a small piece它是從 bit（一小塊）這個字來的，plus -y, 'full of / like'加上 -y（表示「充滿……的／像……的」）。