to be in a rage
The phrase 'estar que trina' is an idiomatic expression in Spanish that translates literally to 'to be chirping' in English. It is used to describe someone who is extremely angry, upset, or frustrated, almost to the point of losing control. When a person is 'estar que trina', they are typically expressing their agitation in a very vocal or energetic manner, similar to how a bird might chirp loudly when disturbed. This expression captures the intensity of their emotions and is often used in informal contexts.
You are furious because you didn't find your book.
In this example, the phrase 'estar que trina' expresses the intensity of someone's anger or frustration related to lost property.
She is furious about the train delay.
This phrase shows that the person is very angry, emphasizing her feelings about the inconvenience caused by the train's delay.
We are furious about the injustice we have witnessed.
Here, the phrase conveys a strong emotional reaction to an observed injustice, indicating collective anger among the speakers.