What is the English of mag sunog ng kilay?

"Mag sunog ng kilay" is a Filipino expression that literally translates to "to burn one's eyebrows". However, it's an idiom that means "to focus intensely" or "to be very serious or determined about something".

Here are some possible English translations that capture the meaning:

* To be dead serious

* To be laser-focused

* To be completely engrossed

* To be all in

* To put one's all into something

The expression emphasizes the dedication and commitment someone has to something, to the point of neglecting other things, similar to how someone might forget their appearance while deeply focused on a task.