用法：

　　1、a bit of 修飾名詞，通常用于修飾不可數名詞。

　　午飯只能吃剩下的一點食品了。

　　2、a bit of的另一種形式是bits of

　　Besides this,he used part of an old army wireless set,and some bits of wood.

　　除此之外,他還利用了一部分舊的軍用無線電發報機的一部分零件和一些木片。

　　3、a bit (of)有點；稍微

　　I'm a little bit tired.Let's take a short rest.

　　我有點累了。讓我們休息一會兒。

　　I'm a bit tired tonight.

　　今晚我有點疲倦。

　　The painting on the wall is a bit crooked.

　　墻上的油畫有些歪。

　　Don't believe all he says — he's a bit of a boaster.

　　別全信他說的,他有點自吹自擂。

　　We were very sorry to see that the houses of some school teachers were a bit of a hole.

　　看到有些小學教師的住房小得象個窩,我們很難過。

　　4、a bit (of) 一點兒也（不）

　　I'm not a bit tired now.

　　我現在一點兒也不累。

　　Really,David is not a bit like his brother as far as generosity is concerned.

　　的確,就慷慨大方這一點來說,大衛確實一點也不像他哥哥。

　　5、a little = a bit of, 后接不可數名詞； a little = a bit = a little bit = kind of, 后接形容詞，意為“有點兒”。