You should make good use of every precious minute to study.
你應很好利用寶貴的每一分鐘去學習。
Pandas are precious creatures.
熊貓是珍貴的動物。
That old book is my most precious possession.
那本舊書是我最珍貴的財產。
He is a rather precious young man.
他是一個惺惺作態的年輕男子。
Precious few people can afford prices like that.
沒有什麼人出得起那個價錢。