push one's buttons 惹某人；刺激某人

例句：

I really hate that guy, he's always trying to push my buttons.

我真的很讨厌那个家伙，他总是想惹我生气。

right on the button 非常正确

例句：

I won the lottery because my guess was right on the button.

我中了彩票，因为我猜得完全正确。

button it/ button one's lip 的意思相近，都是“住嘴、别说了”。

例句：

Button it! I don't need to hear your opinion on everything I do!

闭嘴！我不需要听你对我做的每件事都有意见！

Hey, button your lip! We don't need to hear any more out of you today!

嘿，别说话了！今天我们不需要再听到你说什么了！