English to Portuguese Bus/Financial Slang

Trata-se de um livro de frases prontas para um gestor. O contexto é Como Expressar Dúvidas. As frases para High Road são:
It seems to me that...
I am not positive, but I think that...
I am under the impression that...
I don’t think it’s common knowledge, but...
I have the feeling that...
I’m having second thoughts about this. `
Something doesn’t add up here.
It seems that something is missing, but I can’t quite put my finger on it.

Para Low Road:
I’m unsure about a lot of this
I have a sinking feeling about this.
Something is rotten in the State of Denmark.
here did you get that idea?
I’ve seen clearer thinking from a kindergartner.
Okay, whatever you say. [sarcasm]
After reviewing your [work/plan/operation/idea], it’s a wonder you can even tie your shoes. [sarcasm]