jadestone meaning in Chinese

硬玉。

Xie xiande et al . , 1999 , mineral physics of gemstones and jadestones in china . guangdong science and technology press , guangzhou
谢先德等著， 1999 ，中国宝玉石的矿物物理学。广东科技出版社，广州。
I was over forty and was joining a chorus for the first time in my life ! as soon as i opened my mouth , the sister immediately called me an " unpolished " jadestone , and despite her repeated efforts , she failed to change me into a " polished " piece of jade
曾经有十几年没有开口唱歌，全身的音乐细胞早已五音不全，年纪又是不惑之年，生平第一次参加合唱团，一开口便被专业的师姊称为璞玉，虽经几番调教仍无