“用后腿站起”可以翻译为“stand up on its hind legs” 。这里“stand up”表示“站起”,“on its hind legs”具体说明是“用后腿(站立)”,“its”可根据具体指代的动物性别换成“his”或“her” 。例如:The dog stood up on its hind legs to beg for food.(那只狗用后腿站起来讨食。)