"gold in the form of a brick," 1853, from gold (adj.) + brick (n.). Meaning "shirker" is from 1914, World War I armed forces slang, from earlier verb meaning "to swindle, cheat" (1902) from the old con game of selling spurious "gold" bricks (attested by 1881).
权威例句
1. They stumble across a ghost town inhabited by a rascally gold prospector.
他们偶然来到一个居住着一位狡诈的淘金者的废墟之城。
2. He entered for many competitions, winning several gold medals.
他参加过多次比赛,赢得了数枚金牌。
3. This little ball of gold weighs a quarter of an ounce.
这个小金球重0.25盎司。
4. The boys were as good as gold on our walk.
我们散步的时候,这帮小男孩表现得很乖。
5. It was an unbelievable moment when Chris won the gold medal.