プログレッシブ和英中辞典(第３版)の解説
へらずぐち【減らず口】
impudent talk; ((俗)) lip
- 減らず口をきく
talk impudently／〔負け惜しみを言う〕refuse to accept one's defeat／be a bad loser - 減らず口をたたくな
None of your lip [impudence／cheek]!