This is the 8292nd most frequent Chinese word.
kathleen
The word "kathleen" is not a Chinese word; it is an English-origin name.
In this sentence, '凯瑟琳' (translated to 'Kathleen') is used as a proper noun to refer to a person's name, showing its general usage as a name.
凯瑟琳是我最好的朋友之一。
Kathleen is one of my best friends.
Here, '凯瑟琳' identifies the performer of the action (singing), highlighting its role as a subject in the sentence.
昨天，我听到凯瑟琳在唱歌，她的声音这么美妙！
Yesterday, I heard Kathleen singing, and her voice is so wonderful!
In this sentence, '凯瑟琳' is used to denote the individual involved in the context of the art festival, showing its use in descriptive contexts.