用羽毛挠鼻子的英文表达是 "to tickle one's nose with a feather."
这个短语可能是来自于人们使用羽毛轻轻挠人的鼻子来逗乐他们的想法。
下面是一些用羽毛挠鼻子的英文例句，以及它们的中文翻译：
"My pttle sister always tries to tickle my nose with a feather to make me laugh." (我的小妹妹总是试着用羽毛挠我的鼻子让我笑。)
"The clown at the circus used a feather to tickle the noses of the children in the audience." (马戏团的小丑用羽毛挠观众中孩子们的鼻子。)
"I couldn't stop laughing when my friend tickled my nose with a feather during class." (当我的朋友在课堂上用羽毛挠我的鼻子时，我笑得停不下来。)