"I do it for the pun of it" "his constant punning irritated her"
"Japanese like to pun--their language is well suited to punning"
Will of his own, Mr. Wills..no pun intended.
'Mr Farr is not far,' Isaac said, unable to resist the pun.
牛津高阶第八版
美国韦氏词典
Dictionary.com
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维基百科 (自由的百科全书)