four-letter word の英語での意味
four-letter wordˌfour-letter ˈword noun [countable] 
すべての翻訳を見る a word that is considered very rude and offensive, especially one relating to sex or body waste非常に下品で不快とされる言葉。特に性や排泄に関するもの。 SYN swearword
すべての翻訳を見る a word that is considered very rude and offensive, especially one relating to sex or body waste非常に下品で不快とされる言葉。特に性や排泄に関するもの。 SYN swearword