Trust between comrades-in-arms is crucial on the battlefield.

在战场上，战友之间的信任至关重要。

These comrades-in-arms formed a deep friendship during the war.

这些战友在战争中建立了深厚的友谊。

They have been comrades-in-arms for many years and know each other very well.

他们是多年的战友，彼此非常了解。

This book I inscribe to my old comrades-in-arms.

谨将本书献给我的老战友们。

This book I inscribe to my old comrades - in - arms.

谨将本书献给我的老战友们。

Many of his comrades-in-arms either wounded or killed in the war.

他的很多战友在那场战争中非死即伤。

He keeps up a steady correspondence with his old comrades- in-arms.

他和他的老战友们保持通信联系。

He keeps up a steady correspondence with his old comrades - in - arms.

他和他的老战友们保持通信联系.