軍は退却しなければならんかった。

軍は退却しなければならんかった。

The army had to retreat.

軍(ぐん)は退却(たいきゃく)しなければならんかった。

Gun wa taikyakushinakerebanaran katta.

軍 (ぐん)

army; force; troops

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

退却 (たいきゃく)

retreat; withdrawal; retirement

がる (がる)

to show signs of being; to feel; to think; to behave as if one were; to pretend; to act as if; to want; to desire; to be anxious to; to be eager to

Readings: グン、いくさ

Meanings: army, force, troops, war, battle

Readings: タイ、しりぞ.く、しりぞ.ける、ひ.く、の.く、の.ける、ど.く

Meanings: retreat, withdraw, retire, resign, repel, expel, reject

Readings: キャク、かえ.って、しりぞ.く、しりぞ.ける

Meanings: instead, on the contrary, rather, step back, withdraw, retreat