"full of sun," early 14c., from sun (n.) + -y (2). Compare Dutch zonnig, German sonnig. Figurative sense of "cheerful" is attested from 1540s. Sunny side in reference to optimistic outlook is from 1831. Eggs served sunny side up first attested 1887, in lunch counter slang, in reference to appearance when served.
Young Man (in Park Row coffee-and-cake saloon)--Waiter, I want a beefsteak, unpeeled potatoes, and a couple of eggs fried on one side only!
Waiter (vociferously)--"Slaughter in the pan," "a Murphy with his coat on," an' "two white wings with the sunny side up!" ["Puck," April 27, 1887]
Related: Sunnily; sunniness. As a noun meaning "sunfish" from 1835.
双语例句
1. There is a chance of sunny spells in the West.
西部可能会有一段天气晴朗的日子。
来自柯林斯例句
2. Stand the plant in the open in a sunny, sheltered place.
把这株植物放在一个阳光充足、上方有遮盖物的开阔处。
来自柯林斯例句
3. He was a nice lad — bright and with a sunny disposition.
他是个不错的小伙子——聪明伶俐而且性格开朗。
来自柯林斯例句
4. The fog had lifted and revealed a warm, sunny day.
