a curly one = tricky problem, a challenge

Siehe auch: a curly one...

Aus dem Link im OP :

When you learn English you’re taught how to speak and write ‘proper’ English. Then you visit an English speaking country and start hearing some very strange slang terms. Australian slang is certainly ‘interesting’! Whether you’re dreaming of visiting Australia, have just arrived or have been in this gigantic island of paradise for a while, there are a few Australian slang words that you should learn to help you get through day to day life.

Although Australia is an English speaking country, arriving into the country with little knowledge of the most popular Aussie slang words may just get you into a few awkward situations. It’s worth noting that Aussies have a tendency to shorten most words in the English vocabulary as well. You will soon become accustomed to this! Here are a list of some common slang words (some found in other English speaking countries) that should help you get by…

Es gibt im Link auch eine Audioversion, auch für den lexikalischen Teil ... das ganze hört sich für mich allerdings ziemlich monoton an ... kann das wirklich ein Aussie gesprochen haben ?

Kevin_7 Ein Computer spricht und nicht ein Mensch.

Wie man nicht nur an der abgehackten Art zu sprechen merkt, sondern auch an dem Link nach https://aws.amazon.com/polly/ unten rechts vom Audio Plugin auf der Seite (der Text des graphischen Links lautet einfach nur "Amazon Polly"),

Zitat von aws.amazon.com/polly/

Turn text into lifelike speech using deep learning

Amazon Polly is a service that turns text into lifelike speech, allowing you to create applications that talk, and build entirely new categories of speech-enabled products. Polly's Text-to-Speech (TTS) service uses advanced deep learning technologies to synthesize natural sounding human speech. With dozens of lifelike voices across a broad set of languages, you can build speech-enabled applications that work in many different countries. […]

"Lifelike speech" und "natural sounding human speech" ist… nun ja, wie drücke ich das jetzt höflich aus? Seeeehr optimistisch formuliert. 😊