Fire officials let the fire burn out by itself.

消防官员让火自行烧尽

Run too fast and you'll burn out.

跑得太快会使你筋疲力尽。

If we answer this call to often we burn out.

如果我们总是接这样的电话，非得累死不可。

If you are constantly overwhelmed, you will burn out.

如果你不断受到打击，你将会心力交瘁。

If you build a fire, then merely sit and watch it, it will burn out.

如果你生了一堆火，那么只需要坐在那里看着，它会自己燃烧。

Once lava spouts, it will burn out all weeds, and trees, then nothing will rot.

熔岩一旦喷出，将烧尽一切野草，以及乔木，于是并且无可朽腐。