stick to one's guns

Verb

dated of gunners broadly idiomatic

(dated, military, of gunners) To persist in faithfully attending to cannons while under fire. / (idiomatic, by extension) To maintain one’s position or viewpoint when faced with opposition.

Japanese Meaning

（軍事的な意味）敵の攻撃を受けながらも、忠実に大砲の操作（砲手の任務）を続けること。 / （慣用句として）反対に遭っても、自分の立場や意見を曲げずに貫くこと。

What is this buttons?

Google Translation / DeepL Translation

陣地を守るよう命じられた勇敢な砲兵は、砲弾が降り注ぐ中でも砲を忠実に守り続け、砲座を離れなかった。

Details

Sense（1）

(dated, military, of gunners) To persist in faithfully attending to cannons while under fire.

Capitan Beaulieu-de-Long and his first lieutenant were both killed, several guns dismounted, and many of the [French frigate] crew killed and wounded. . . . Nevertheless the French stuck bravely to their guns, while the flame of the cannonade illuminated the scene beneath the canopy of smoke.

Google Translation / DeepL Translation