負け犬

プログレッシブ和英中辞典(第4版)

まけいぬ【負け犬】

〔敗者〕

今さら何を言っても負け犬の遠吠えだ
It's 「no use saying [just like the howling of a defeated dog to say] anything now.

負け犬になるつもりか
Are you going to just walk off dragging your tail between your legs?

出典　小学館「プログレッシブ和英中辞典(第4版)」