一星半点----a tiny bit

例句：

A:I have sent you some reference books. You can make the use of them.

我已经寄给你一些资料书了，你可以使用它们。

B:But they are just a tiny bit.

但那只是一星半点。

同义词：

a very small amount

注释：

make the use of... 利用······

Good job, thank you.