Difficulty in Recognition of Falling-rising Tone

语法(“grammar”) -- yúpă

端午节(“Dragon Boat Festival”) - - duān wú jié

yŭ fă

duān wŭ jié

Difficulty in Recognition of Neutral Tone

月亮(“moon”) --yuè liáng

yuè liang

Difficulty in Recognition of Retroflex Consonant

栩栩如生(“similar”) -- suí suí/shŭ shŭlú sheng

水果(“fruit”) -- suí guŏ

xŭ xŭ rú sheng

shuí guŏ