Can’t see the wood for the trees:
To be unable to understand a situation clearly because you are too involved in it.
“Can’t see the wood for the trees” 的意思是 “做某件事情时太专注于细节，没有注意整体大局，因而可能会错漏重要的信息”，它就相当于汉语中所说的 “见木不见林”。
例句
Worrying about the small details means I can’t see the wood for the trees.
担心这些小细节意味着我不能顾全大局。
I’ve been working on this project for a long time but can’t see the wood for the trees – what are we trying to achieve?
这个项目我已经做了很长时间了，但却不知道我们最终要实现什么目标？
When you can’t see the wood for the trees, take a step back and remind yourself what you are doing.
当你看不到整体大局时，退一步并提醒自己正在做什么。
