be on speaking terms with somebody

Từ điển Oxford Advanced Learner 8th

be on ˈspeaking terms (with sb) | be ˈspeaking (to sb) idiom
to be willing to be polite or friendly towards sb, especially after an argument
•She's not been on speaking terms with her uncle for years.
•Are they speaking to each other again yet?
Main entry: ↑speak_idiom