Progress in Chinese starts with characters, then words, finally idioms. Here’s a free look at 「天開地辟」 and its explanation.
Here is the Chinese idiom 「天開地辟」, along with its meaning and how it is used.
It’s like the creation of the world.
The Mandarin pronunciation of this idiom is :
tiān kāi dì pì
while its Cantonese pinyin is :
tin1 hoi1 dei6/dei2 pik1
The vastness of Chinese idioms, with their many meanings and applications, is inspiring. We hope these resources will guide you in your language-learning adventure.

