太贵了 can be translated to English as "too expensive." This phrase originated from the Chinese language and is often used to express dissatisfaction with the high cost of something. Here are some examples of how you can use this phrase in English:

"I can't afford this dress. It's too expensive."

"The tickets for the concert are too expensive. I'm not going."

"We can't eat at that restaurant. The prices are too high."

In each of these examples, the speaker is expressing that the cost of something is too high for their liking.