Frequency
- Movie subtitles
- 1.40 per million appears in 1% of films
- Written text
- 4.30 per million
Details
- HSK 3.0
- Level 7
Cross-References
Synonym
- 坚韧不拔 jiānrènbùbá
Sources
- Frequency data
- SUBTLEX-CHBCC Corpus (BLCU)