She is giving me piano lessons in exchange for her English classes.
我教她英语,她教我弹钢琴。
I'd like to reconfirm my flight from london to tokyo.
我要再确认一下我从伦敦到东京的班机。
I was doing some exercises on the high-and-low bars. When I landed, I fell forward and hurt myself. Someone was standing too close and I knocked into him and fell over onto my shoulder.