"sickly-looking," 1835, from past participle of obsolete verb peak "look sickly or thin, shrink, waste away" (1540s), which is perhaps from peak in sense of "become pointed" through emaciation. Related: Peakedness.
权威例句
1. His career peaked during the 1970's.
他的事业在20世纪70年代达到顶峰。
2. The crisis peaked in July 1974.
那场危机在1974年7月达到巅峰。
3. Day by day the disappointed lover peaked and pined.
这失恋的人一天天地憔悴下去.
4. Toy sales peaked just before Christmas and are now decreasing.
玩具销售额在圣诞节前夕达到最高峰,现已逐渐下降.
5. He took his peaked cap from under his arm with a flourish and pulled it low over his eyes.