所以专注意指“将你的思想，精力集中于某事”。

So concentration means 'focusing your thought, your energy on something'.

youdao

首先，“保持谦虚”意味着专注于你所做的事情，而不是说或做某事来引起别人的关注或创造问题。

First, "to keep your head down" means to concentrate on what you are doing, not saying or doing things that will draw attention from other people or create problems.

youdao

“埋头苦干”的意思是继续专注于某事而努力工作。

"To keep plugging away" means to continue working very hard at something.

youdao