at the drop of a hat

意味

immediately and with very little encouragement

ためらわずにすぐ.

例文

1. 1Mention a weekend away and Leah will pack her bag at the drop of a hat.
2. 2Our neighbour will start singing at the drop of a hat; nobody needs to ask twice.
3. 3Just mention chess and my brother will fetch the board at the drop of a hat.
4. 4With her bag always packed, Nora can leave for a trip at the drop of a hat.
5. 5One tiny complaint and he offers a refund at the drop of a hat.

文法

固定した副詞句。at、冠詞 the と a、単数名詞 hat は変えない

似た意味の表現