late 14c., "learned, instructed thoroughly in the basics;" 1540s as "firmly fixed or established," past participle adjective from ground (v.). Electrical sense is from 1889. Meaning "having been denied privileges" is from 1940s. Dickens had room-ridden "confined to one's room."
实用例句
1. Thompson grounded him for a month, and banned television.
汤普森罚他一个月不能出门，并禁止看电视。
来自柯林斯例句
2. The civil aviation minister ordered all the planes to be grounded.
民航部长下令所有飞机不得起飞。
来自柯林斯例句
3. The boat finally grounded on a soft, underwater bank.
那条船最终在松软的水下浅滩搁浅了。
来自柯林斯例句
4. The car took a lurch forward but grounded in a deep rut.
