This is the 33rd most frequent Vietnamese word.
do
The Vietnamese word "do" can mean "because," "that," or "due to," depending on the context.
In this sentence, 'Do' is used as a conjunction meaning 'because', indicating the reason or cause of the action.
Do trời mưa, chúng tôi phải ở nhà.
Because it is raining, we have to stay at home.
In this sentence, 'do' is used as a preposition meaning 'by', showing the agent of the action.
Hành động này là do anh ta thực hiện.
This action was carried out by him.
In this sentence, 'do' is used to indicate the reason or cause, functionally equivalent to 'due to'.