“下功夫”的意思是花很多时间和精力去做一件事，努力把它做好。

"下功夫" means to spend a lot of time and effort doing something, striving to do it well.

人们常说在学习或工作上下功夫，才能有好的结果。

People often say that you must 下功夫 in study or work to achieve good results.