They were completely unable to maintain discipline.
她们完全不能维持纪律。
They were completely unable to maintain discipline, without it, the house cannot be properly run.
没这些纪律，这个家就没法有效地管理。
Maintain order and discipline in town and country.
维持城镇、乡村的秩序和纪律。
We should maintain strict discipline.
我们应当保持严格的纪律。
We should maintain strict discipline.
我们应当保持严格的纪律。
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