This is the 140th most frequent Vietnamese word.
thành
The Vietnamese word "thành" can mean "to become," "achieve," "succeed," or "city wall," depending on the context.
Here, "thành" is part of the verb "trở thành," which means "to become."
Tôi muốn trở thành bác sĩ trong tương lai.
I want to become a doctor in the future.
Here, "thành" is used as part of the phrase "hoàn thành," which means "to complete."
Công việc này hoàn thành sớm hơn dự kiến.
This task is completed earlier than expected.
In this case, "thành" is a part of the compound word "thành phố," which means "city."