珞蒂露齿而笑，真正毫不保留的会心一笑 meaning in Chinese

lottie grinned, a real wide open grin, "well, to tell the truth i felt sorry for you. maybe if i had any sense i'd feel sorry for myself after all. i know i'm too old to kick up my heels, but i'm going to let you show me how. if i land on my head, i guess it won't matter. i feel giddy already, and i like it.