howl at the moon

短语

词形变化

howled at the moon howling at the moon howls at the moon 三单 howls at the moon howling at the moon 现在分词 howled at the moon 过去式 howled at the moon 过去分词

释义与例句

v.
  1. 1.

    To spend considerable time and effort fruitlessly in a hopeless endeavor.

    习语

词源

After the stereotypical behaviour of wolves howling at the moon in folklore.

来源：wiktionary