1.你怎么坐在地上?
Why do you sit on the floor? (如在室外,最后一个词改为 ground）
2.我不小心摔了一跤
I fell over by accident.
3.你相信我对你一见钟情吗?
Do you believe my falling love with you at the first sight?
4.应该是...我对你一见钟情吧.
It ought to be ME who fell in love with YOU at the first sight.
(大写单词强调读.)