开通
kāitōngTraditional 開通
to open; to activate (a line, service or account)
Every meaning
kāitōng
- to open; to activate (a line, service or account)
- to open up; to reopen (a blocked blood vessel etc)
kāitong
- open-minded; liberal
In the Library
2011年，京沪高铁开通了。
Its characters
Words with 开
Words with 通
Meanings are from Mandarin The Wild’s own dictionary. Levels follow the official HSK word list (the exam’s 2025 syllabus, levels 7–9 shown together).