It's just like a roller coaster, aahh, oohh, eehh, but in the end, guess what?

这就像一辆过山车, 虽然经历波折，但你猜结果怎么着?

So it's not aahh thaaan, thaaan, but 'than', aa-uh, aa-uh, aa-uh.

所以这不是 aahh thaaan, thaaan，而是“than”，aa-uh，aa-uh，aa-uh。