fall head over heals倒栽葱
fall l over摔倒;被……绊倒
fall head over heels爱到死心塌地;爱到死心踏地
fall all over oneself煞费苦心;竭尽全力
fall all over极其殷勤
fall all over yourselves极想
Fall asleep over a book在看书的时候睡着了
to fall head over heels跟头
Fall by over 90 percent下降了90
PHRASAL VERB（动词词组） If a person or object that is standing falls over, they accidentally move from their upright position so that they are then lying on the ground or on the surface supporting them. 倒下
If he drinks more than two glasses of wine he falls over.
如果他喝酒超过两杯就会倒下。