"Bearing burden" is a phrase that describes the act of carrying a heavy responsibility or facing a difficult situation. If you're looking for synonyms for this phrase, you could try using expressions like "carrying the load," "shouldering the responsibility," "carrying the weight," "carrying the weight of the world," "carrying the weight of the responsibility," "handling the burden," "taking on the load," "taking on the responsibility," "shouldering the burden," or "carrying the yoke." All of these expressions convey the idea of taking on something difficult or challenging, and they can be used to describe a wide range of circumstances in which someone is facing a significant challenge or responsibility.