口が裂けても
くちがさけても
- (I) won't (say) anything no matter what (expression is followed by negative verb relating to say, answer, etc.) to not (tell) even under any threat exp
くちがさけても
コウ • ク
くち
mouth
レツ
さ.く • さ.ける • -ぎ.れ
split; rend; tear
くちがさけてもいえない