be above 动词+介词
The children have been above themselves ever since the rain stopped.（雨一停孩子们就高兴得忘乎所以了。）be above/beside oneself表示异常激动, 比如高兴或愤怒。/号前后的词或词组可以等同使用。
Most of what the speaker said was above my head, so I fell asleep.（演讲者说的我大多不懂，所以就睡着了。）这里be above/over one’s head 表示不能为某人所理解。
