"at the drop of a hat" in Chinese (Simplified)
毫不犹豫地立刻
Definition
立刻做某事，毫不犹豫或迟疑。
Usage Notes (Chinese (Simplified))
该表达是非正式用语，用于强调某人随时准备好立刻行动。常见于口语和较轻松的书面语，不常见于正式场合。
Examples
She will help you at the drop of a hat.
她会**毫不犹豫地**帮助你。
I would travel with you at the drop of a hat.
我会**立刻**和你一起旅行。
He joins every game at the drop of a hat.
他**毫不犹豫地**参加每场比赛。
If you need me, I’ll be there at the drop of a hat.
只要你需要我，我会**立刻**到。
Some people quit their jobs at the drop of a hat.
有些人**毫不犹豫地**辞职。
She’ll change her plans at the drop of a hat if you ask.
只要你开口，她会**立刻**改变计划。