This is the 146th most frequent Vietnamese word.
dự
The Vietnamese word "dự" can mean "participate," "attend," or "estimate," depending on context.
Here, "dự" is part of the compound verb "dự đoán", meaning "to predict" or "to anticipate".
Tôi dự đoán rằng trời sẽ mưa vào chiều nay.
I predict that it will rain this afternoon.
In this sentence, "dự" is used as a standalone verb meaning "to attend."
Cô ấy đang chuẩn bị dự tiệc cưới vào cuối tuần này.
She is preparing to attend the wedding party this weekend.
Here, "dự" means "to participate in" or "to join."