官兵 guānbīng officers and soldiers
(military) officers and soldiers; officers and men; (old) government troops
How to remember 官兵: 官 official + 兵 soldier = officers and soldiers.
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How it is used
- A collective term covering both officers and rank-and-file soldiers - 全体官兵 (quántǐ guānbīng) all officers and men.
- Military/organizational register; treats a unit as one body (leaders + troops together), so it's plural in sense.
- Not used for a single soldier; for that use 士兵 (shìbīng) or 军官 (jūnguān) separately.