birthday suit片語KK [ˋbɝθˏde sut] /ˈbɝθˌdeɪ sut/發音片語1裸體、一絲不掛、光溜溜口語,詼諧He came running out of the sauna in his birthday suit.他一絲不掛地從三溫暖裡跑了出來。