"We wait for the women patiently because they are very slow."
Translation:Chúng tôi kiên nhẫn đợi những người phụ nữ vì họ rất chậm.
This is a great question. I know Vietnamese' grammar is a bit different to English' grammar. In English, we put "patiently" as an adverb (manner adverbs such as fast, lazy, badly, well....) after the verb or after object. However, in Vietnamese, we have 2 ways to say:
For native speakers (also in writing): the adverb "patiently" always stands in front of the verb "đợi"
-> Chúng tôi kiên nhẫn đợi những người phụ nữ vì họ rất chậm.
For foreign speakers to Vietnamese people (they still understand but they don't use this way to talk to each others or only use in translating from English to Vietnamese) -> Chúng tôi đợi những người phụ nữ một cách kiên nhẫn vì học rất chậm.
I hope this will help.