"arranged in order," 1570s, from order (n.) + -ly (1).
orderly (n.)
"military attendant who carries orders," 1781, short for orderly corporal, etc. Extended 1809 to an attendant at a hospital (originally a military hospital) charged with keeping things in order and clean. See orderly (adj.).
权威例句
1. The officers and crew prepared to abandon ship in an orderly fashion.
全体船员秩序井然地准备弃船。
2. The senior leaders lined up behind him in orderly rows.
高级将领整齐有序地在他身后站成几排。
3. It's a beautiful, clean and orderly city.
这是一座美丽清洁、秩序井然的城市。
4. a calm and orderly life
平静有序的生活
5. The buildings in this area are laid out in an orderly fashion.