also side-line, "line on the side of a fish," 1768; "lines marking the limits of playing area" (on a football field, etc.), 1862, from side (adj.) + line (q.v.). Meaning "course of business aside from one's regular occupation" is from 1890. Railway sense is from 1890. The figurative sense of "position removed from active participation" is attested from 1934 (from the railway sense or from sports, because players who are not in the game stand along the sidelines). The verb meaning "put out of play" is from 1945. Related: Sidelined; sidelining.
双语例句
1. It was quite a lucrative sideline.
这份兼职很赚钱。
来自柯林斯例句
2. Mr. Means sold computer disks as a sideline.
米恩斯先生以卖计算机硬盘作为副业。
来自柯林斯例句
3. The stands were overflowing with farm and sideline products.
集市上农副产品非常丰富.
来自《简明英汉词典》
4. He decided to turn his hobby into a lucrative sideline.
他决定把自己的爱好变成赚钱的副业.
来自《简明英汉词典》
5. I asked the spectators to keep back from the sideline.
