漆黑的意思是非常黑、一点光都没有。

"漆黑" means very dark, with no light at all.

我们常用它来说晚上很黑的时候，比如“漆黑的夜晚”。

We often use it to describe very dark nights, for example, "漆黑的夜晚" (pitch-black night).