throw caution to the winds
不顾一切地冒险或行动，不顾后果
口语·形容鲁莽行动
英文释义
to take great risks without considering the potential consequences
例句
They threw caution to the winds and went skydiving without any training.
典故来源
源自同一短语的变体，强调完全放弃谨慎。