お話はなし中ちゅう

noun which may take the genitive case particle 'no'

busy (phone); engaged (line)

Polite expression used mainly in telephone contexts to indicate the line is busy. Often seen in phrases like お話中です or お話中でつながらない.

See also: 話中

• お電でん話わをかけたら、お話はなし中ちゅうでした。

  When I called, the line was busy.