天堑 (天塹) tiān qiàn

tiān qiàn phrase a natural boundary
Domain: Literary Chinese 文言文
Notes: Such as a river or a pass (Guoyu '天塹'; Mathews 1931 '天塹', p. 128)

Also contained in

长江天堑

Word is mentioned most frequently in

Truncated for common words

• Scroll 3 Jing Tu Wang Sheng Chuan 淨土往生傳 — count: 1
• Scroll 23 Song Biographies of Eminent Monks 宋高僧傳 — count: 1 , has English translation