求助英语句子理解.“He falls head over heels for someone again"怎么理解fall head over heels for someone?

求助英语句子理解.“He falls head over heels for someone again怎么理解fall head over heels for someone? 我觉得这个英语句子有问题,when he falls down backwards,he keeps his balance neatly.我认为加s的动词应该改为过去式. 求助英语一篇阅读理解 英语.求助,第二段划线句子不理解,还有第二段第三行也不理解,谢谢! 求助英语句子分析“Shame about Diana though,she was so beautiful这个句子中,怎么理解though的用法? 求助英语阅读理解两篇! 求助英语句子词汇理解!Its proximity to the research team makes it an ideal site for landbasedhigh-speed vehicles.请问在这个句子中,怎么理解proximity, 求助英语句子中词汇的理解!Imperfect of the technique is the complexity of registration of the whole process characteristics.请问这个句子中,怎么理解registration. 求助英语句子理解“I used to think that way,but not anymore”.在这个句子中,not anymore怎么理解为好, 英语：翻译句子和短语!'!求助! 求助如何写英语句子呀 求助一篇英语填写句子的短文 求助英语根据短文完成句子 求助英语句子语法分析 谢谢he did not sound as if he believed what he was saying.求助 这句话的语法分析,尤其是as if 后面的部分,谢谢 求助英语句子中解析介词的用法.”I have better thing to do with my sunday afternoon.请问在这个句子中,怎么理解with的用法, He falls down again.如何翻译? he falls into the river ,too 帮我理解一下句子意思!（英语）Mike says he is sick.Name three things he tells his mother