Quote Originally Posted by andrei_michaelovich
Burn to the Ground.
To burn toast
I lit the curtains on fire
I got a sunburn
Сжечь дотла/сгореть дотла (?)
Сжечь тост
Я поджёг занавес(к)и
Я обгорел

Generally "гореть, сгорать/сгореть" (imperfect/perfect) is a passive process (something is burning), and "жечь, сжигать/сжечь" is an action (someone (or smth) burns something - lits it on fire, for example). There's also "палить/спалить", it's similar to "жечь" in usage.