1·Tang-poems is the most resplendenced and most costful literature heritage in our country. It is the peak of ancient poesy achievement.
唐诗，是我国最灿烂、最辉煌、最珍贵的文学遗产，是我国古代诗歌成就的最高峰。
2·Love is so costful, is worthy for our to go and believe in, go and cherish.
爱是如此珍贵，本来值得我们彼此去相信，去珍惜。
3·This is the most costful present in my birthday.
这是我最珍贵的生日礼物。
4·These costful words like a steady light beaconed from the tower.
这些珍贵的言语像一个稳定的光线从灯塔上。