On hearing these words, I felt ashamed of my behaviour and I made up mind that I will never jump the queue again.

听到这些话，我为我的行为感到羞愧，决定再也不插队了。

She deliberated over the decision for a good few years before she finally made up her mind.

在她最终下定决心之前，她仔细考虑了这个决定多年。

Once he made up his mind to do something, there was no stopping him.

他一旦下定决心做什么事，没有什么可以阻止他。

He had already made up his mind before even hearing her side of the story.

他甚至在听到她那一方的说法之前就已下定决心了。

Johnny made up his mind to give up smoking.

约翰尼下定决心戒烟。