长足 chángzú remarkable
remarkable (progress, improvement, expansion etc)
How to remember 长足: 长 long + 足 foot = remarkable.
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How it is used
- 'Remarkable, substantial' - almost only of progress/development - 取得长足进步 (qǔdé chángzú jìnbù) make remarkable progress; 长足发展 (chángzú fāzhǎn) substantial development.
- Read cháng; a set collocation with 进步/发展/进展. Formal, positive.
- Rarely stands alone - it modifies advancement, meaning big strides forward.