There are a lot of other gem, jade, jadeite, fossil, chicken blood-stone, rocks and minerals and book, VCD, instrument about gemology. Welcome to look for you're favored.
本阁还有珠宝翠玉鸡血石及矿物标本教学VCD和书籍等，欢迎到店铺看看。
2
Getting an apology from him was like getting blood from a stone.
让他道歉几乎是不可能的。
《牛津词典》
3
Let's face it, your code is already well written and well tuned; getting any performance gains there is going to be like getting blood from a stone.