shēn​gōu​gāo​lěi

strong defensive fortifications

深沟高垒 深溝高壘 shēn​gōu​gāo​lěi
strong defensive fortifications
Deep ditches and high walls; refers to strengthening defensive works to hold a position and avoid direct combat

Frequency

Written text
0.036 per million

Cross-References

Variant of

Sources

Frequency data
BCC Corpus (BLCU)