Old English fiftig "fifty; a set of fifty," from fif "five" (see five) + -tig "group of ten" (see -ty (1)). Compare Old Frisian fiftich, Old Norse fimm tigir, Dutch vijftig, Old High German fimfzug, German fünfzig, Gothic fimf tigjus. U.S. colloquial fifty-fifty "in an even division" is from 1908.
权威例句
1. The village is a settlement of just fifty houses.
这个村子里只住了50户人。
2. Forty or fifty women were sitting cross-legged on the ground.
四五十个女人盘腿坐在地上。
3. He came to a halt at a crossroads fifty yards further on.
他在往前50码远的十字路口停了下来。
4. He is fifty and has been through two marriages.
他今年50岁,经历过两次婚姻。
5. Fifty civilians in Masawa were killed when government planes attacked the town.