Search the dictionary A Chinese word or character, or English Draw a character Search 8 entries. bìtán 碧潭 green pool bìtǎn 壁毯 tapestry (used as a wall hanging) bǐtán 笔谈 to communicate by means of written notes (instead of speaking) bǐtán 筆談 to communicate by means of written notes (instead of speaking) mèngxībǐtán 梦溪笔谈 Dream Pool Essays by Shen Kuo 沈括[Shen3 Kuo4], book on various fields of knowledge, the first to describe the magnetic needle compass mèngxībǐtán 夢溪筆談 Dream Pool Essays by Shen Kuo 沈括[Shen3 Kuo4], book on various fields of knowledge, the first to describe the magnetic needle compass gēbìtān 戈壁滩 Gobi desert gēbìtān 戈壁灘 Gobi desert