Our parents chose to come here with the hope of bettering themselves.我们的父母选择来到这里，希望能够改善自己的生活。He had dedicated his life to bettering the lot of the oppressed people of South Africa.他毕生致力于改变南非受压迫人民的命运。He looked forward to bettering his acquaintance with the new neighbors.他期待与新邻居搞好关系。