Definition of strike or hit a false note in English:

strike (or hit) a false note

Appear insincere or inappropriate: she greeted him gushingly, and that struck a false note
More example sentences
  • He did his best under difficult circumstances, but remained a tense, suspicious figure whose occasional attempts at cheery bonhomie always struck a false note with us.
  • She has not struck a false note or made a single misstep.
  • But my basic impression was that Edwards didn't strike a false note for the entire 90 minutes.
See parent entry: note

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Word of the day ween
Pronunciation: wiːn
verb
be of the opinion; think or suppose