1590s, from up (adv.) + stairs (see stair). As an adjective from 1782. The noun is first attested 1872. Adjectival meaning "characteristic of upstairs life" (in private rooms of a household, as opposed to servants' quarters) is recorded from 1942.
He [Halifax] had said he had known many kicked down stairs, but he never knew any kicked up stairs before. [Gilbert Burnet, supplement to "History of My own Time," from his original memoirs, c. 1697]
权威例句
1. You don't have to go running upstairs every time she rings.
用不着她一来电话你就往楼上跑。
2. They actually moved down from upstairs because the rent's that expensive.
他们确实从楼上搬到了楼下,因为房租太贵了。
3. The restaurant is upstairs and consists of a large, open room.
饭店在楼上,有一个宽敞的开间。
4. She climbed the steps and proceeded along the upstairs hallway.
她爬上楼梯,顺着楼上的走廊走去。
5. When the great man arrived, the club's manager personally escorted him upstairs.