I'm most grateful to you for taking so much trouble to explain the best way of getting there.
你不厌其烦地给我解释去那里的最佳途径,我对些深表感激。
I hope you don't mind my asking, but I wonder if it might be at all possible for you to lend me your car.
希望你不介意我的请求,我不知道你是否可以把车借我用一用。