You are not fighting this war alone; you have the support of all of us.
Examples (Wiktionary)
Mandarin
你并非孤军作战。
你並非孤軍作戰。
nǐ bìng fēi gū jūn zuò zhàn .
You are not alone.
Mandarin
可以说我们已经脱离了过去的那种慢慢发展的孤军作战的景况。
可以説我們已經脱離了過去的那種慢慢發展的孤軍作戰的景況。
kě yǐ shuō wǒ men yǐ jīng tuō lí le guò qù de nà zhǒng màn màn fā zhǎn de gū jūn zuò zhàn de jǐng kuàng .
It can be said that we have outgrown the past state of slow development and fighting in isolation.