Try HanyuGuide's novel active Spaced Repetition System.
Audio is licensed under Creative Commons Attribution-ShareAlike 4.0 International License , building on the work of CC-CEDICT .
Sign in to save this word to your study lists.
see 刀子嘴,豆腐心[dāo zi zuǐ , dòu fu xīn]
mouth
hard; stiff; solid