Please help explain an English riddle.

This is a question about English pronunciation.

Mainly the difference between English sound and American sound.

First of all, ant's British accent and American accent are pronounced the same [? nt]

Auntie is different.

Auntie is pronounced [ɑ:nt] in English.

Auntie pronunciation] [? Nt, ι nt] sounds exactly like ants.

With this riddle.

I hope I can help you ~

If you don't understand, please ask. Please choose the best answer if you are satisfied. Thank you~