He decided to take a trip on a whim.

他突发奇想决定去旅行。

She decided to dye her hair pink on a whim.

她突发奇想决定把头发染成粉色。

They went to the beach on a whim and had a great time.

他们突发奇想去了海滩，玩得很开心。

On a whim, he booked a flight to Paris for the weekend.

他突发奇想，订了一个周末去巴黎的航班。

Instead, give on a whim.

相反，你可以一时的心血来潮，买花给她一个惊喜。

The city of sin is a pity on a whim,

城市里充斥的罪恶只是一时的遗憾

Girl: I moved to California on a whim.

我一时冲动就去了一趟加利福尼亚。

Nicole:Well, I wasn't really, but I applied on a whim.

妮可：嗯，我其实没在找，但我一时兴起就去应征了。

It wasn't just on a whim that I became a wholesaler.

我成为批发商并非一时的心血来潮。

Walk into a gallery, just on a whim, and look around.

只因一时兴起而步入一间画廊，环顾四周。