Hànyǔ zhōng de qiǎo shé yīn shì yòng shéjiān fāchū de.
The retroflex sounds in Mandarin are produced with the tip of the tongue.
Tips
culture
舌尖 became widely known through the celebrated CCTV documentary series 《舌尖上的中国》(A Bite of China), which explores Chinese food culture. The title poetically suggests savoring China on the tip of your tongue.