他们是老战友。
They are old comrades-in-arms.
comrade-in-arms; battle companion
Every character draws itself, stroke by stroke. Then grab the brush: trace it yourself and hear the word when you finish.
Nice writing!
Chinese words snap together like bricks. Every word below shares a character with this one, so you are already halfway to knowing it.
他们是老战友。
They are old comrades-in-arms.
他写信给战友。
He wrote to his comrade.