This is the 871st most frequent Vietnamese word.
thân
The Vietnamese word "thân" can mean "body," "self," "close" (in relationships), or refer to the "thân" zodiac sign (Monkey).
Here, "thân" is part of the word "thân thiện" meaning "friendly".
Anh ấy rất thân thiện với mọi người.
He is very friendly to everyone.
In this sentence, "thân" is used in "thân thiết", meaning "close".
Chúng ta nên giữ mối quan hệ thân thiết.
We should maintain a close relationship.
The word "thân" refers to the "trunk" of a tree here.