feather
a feather in his( her)cap
意：值得夸耀(骄傲)的事;卓越的成就;荣誉的标志
例 .If he clinches this deal, that'll really he the feather in his cap!
如果他能做成这笔交易，那才真正值得他骄傲呢!
It was a real feather in his cap fer the new teacher when he was made head of the English department.
被任命为英语系主任，这对那位新教师来说真是件值得骄傲的事。
Yau could have knocked me down with a feather.
用：当向人讲述令人惊奇、难以置信的经历时说的话:“你完全可以用根羽毛把我打倒”。
意：我非常惊讶;我给惊呆了;真让我大吃一惊
例.You could have knocked rne down with a feather when he told me that I hadwon the jackpot
当他说我赢了头奖时，我简直惊呆了
You could have knocked me down with a feather when the doorman casuallymentioned that he had a degree in astrophysics.
当看门人随口说起他有天体物理学学位时，真让我大吃一惊!
