Progressing from characters to words and idioms marks advanced Chinese. This guide freely explains 「深溝高壘」 for your learning.
Here’s the idiom 「深溝高壘」, with its definition and practical application described below.
Deep trenches and high fortifications. Refers to strong fortifications.
The Mandarin pronunciation of this idiom is :
shēn gōu gāo lěi
while its Cantonese pinyin is :
sam1 kau1 gou1 leui5
Chinese idioms come in large numbers, with diverse meanings and usages, offering endless learning opportunities. We hope these resources make it easier for you to study Chinese.

