深溝高壘
See also: 深沟高垒
Chinese
deep; profound ditch; gutter high; tall rampart trad. (深溝高壘) 深 溝 高 壘 simp. (深沟高垒) 深 沟 高 垒
Etymology
深 (deep) + 溝 (trenches) + 高 (high) 壘 (defensive walls)
Pronunciation
Idiom
深溝高壘
- to dig deep trenches and build high defensive walls; to fortify one's position; to dig in