"up and about," 1823, from phrase on the stir, or from Scottish asteer; from stir. Old English had astyrian, which yielded Middle English ben astired "be stirred up, excited, aroused."
权威例句
1. A single room at the Astir Hotel costs £56 a night.
阿斯蒂尔酒店的单人间价格是56英镑一晚。
2. The night was quiet, and there was no sound of anything astir.
夜很静, 一点响动也没有.
3. The quiet mountain village suddenly became astir.
寂静的山村,顿时沸腾起来.
4. The whole town was astir with the news.
因为这条消息而全城哄动.
5. News of the Queen's visIt'set the whole town astir.