Sorry if I seem thick, but could you explain the new expense policy again?

抱歉我好像有點遲鈍,可以再解釋一次新的報帳規定嗎?

The customer called me thick for not understanding his account number, which was rude.

那位客人罵我笨,因為我沒聽懂他的帳號,真的很沒禮貌。

I felt a bit thick when I boarded the wrong shuttle to the airport hotel.

我搭錯去機場飯店的接駁車時,覺得自己有點蠢。