[dà jūn]
（主力部隊(duì)） main forces; (huge) army
Wherever the troops went, they never infringed on the people's interests.
大軍過(guò)處， 秋毫無(wú)犯。
We are the advance detachment. The main forces will be here soon.
我們是先頭部隊(duì)，大軍隨后就到。
an army a million strong
百萬(wàn)大軍
a large contingent of road builders
筑路大軍