Picture soldiers digging a trench — a long ditch — and sitting in it. Once they are in, they are hard to move.

Picture想像 soldiers士兵 digging挖 a trench一條壕溝 a long ditch也就是一條長溝 and sitting in it並待在裡面。Once they are in一旦他們進去了 they are hard to move就很難被移動。

From that picture, English uses entrench for ideas, habits, power, and rules: you entrench them, or they become entrenched, meaning they sit so deep in a group or a system that they are not likely to change.

From that picture從這個畫面出發, English英文 uses entrench用entrench這個字 for ideas, habits, power, and rules來指想法、習慣、權力和規則：you entrench them你entrench它們, or或者 they become entrenched它們變成entrenched, meaning意思是 they sit so deep in a group or a system它們深植在一個團體或體制裡 that they are not likely to change到不太可能改變。

Writers often use it with a frown, when they wish the thing would change: a party that wants to entrench its power, a custom that only entrenchs unfairness.

Writers作者 often use it with a frown常常皺著眉用這個字, when they wish the thing would change當他們希望那件事能改變時: a party that wants to entrench its power像是想鞏固自己權力的政黨, a custom that only entrenchs unfairness或只會讓不公更根深蒂固的習俗。

You can still use it in the old army way (to dig in), but learners will meet the “fixed and not moving” sense far more, especially in news. The usual shapes are entrench their power and become / be entrenched rather than a simple everyday “I entrench it.”

You can still use it你還是可以用 in the old army way舊的軍事用法 (to dig in)也就是挖壕固守, but但 learners will meet學習者會更常遇到 the “fixed and not moving” sense「固定不變」這個意思 far more更多, especially in news尤其在新聞裡。The usual shapes are常見的形式是 entrench their power entrench their power and和 become / be entrenched become/be entrenched rather than而不是 a simple everyday “I entrench it.”日常簡單的『I entrench it』這種說法。