a cold day in July

短语

绝不可能

发音

AU

词形变化

not attested 复数

释义与例句

n.
  1. 1.

    The time of occurrence of an event that will never happen.

    绝不可能

    绝无可能

    非正式 习语

    It'll be a cold day in July when that happens.

词源

From July being on average the hottest month in the Northern Hemisphere.

来源：wiktionary