たちIdentifiable plural or associated group
たち marks an identifiable group of people or animals. After a person's name, it usually means that person and their companions, not several people with the same name.
An identifiable group
Use たち when the people or animals form a group that matters in the current situation. It shows more than one member, but it does not state the exact number.
Pronouns and human nouns
After a person's name
A name followed by たち identifies a group centered on that person. The other members are understood from context.
美咲さんと二人の留学生はどこですか。
Where are Misaki and the two international students?
Analyze美咲さんたちは受付で待っています。
Misaki and the others are waiting at reception.
AnalyzeHere, the group consists of Misaki and the two international students already mentioned.
Animals
犬たちは飼い主の足元で眠っています。
The dogs are sleeping at their owner's feet.
AnalyzeMore examples
私たちの学校は駅の近くです。
Our school is near the station.
Analyze学生たちは図書館で勉強しています。
The students are studying in the library.
Analyzeあの人たちは新しい先生です。
Those people are the new teachers.
Analyze選手たちは試合の後で握手しました。
The players shook hands after the match.
Analyze猫たちは窓のそばで昼寝をしています。
The cats are napping by the window.
Analyze弟たちはもう家に帰りました。
My younger brothers have already gone home.
Analyze