off-key russian

• фальши́вый

  counterfeit, forged, fake, spurious

  insincere, false (of a smile), hypocritical

  out of tune, off-key

• фальши́во

  out of tune, off-key, falsely (in singing)

  insincerely, falsely, phonily

• фальши́вивший

  having played out of tune, having sung out of tune, off-key

  having acted falsely, having faked, having been insincere

Examples

• Том взял ключ с крючка́, на кото́ром тот висе́л.

  Tom took the key off of the hook it was hanging on.

• Том пел фальшиво.

  Tom sang off key.

• Том поёт фальшиво.

  Tom sings off key.

• Том фальшивит.

  Tom sings off key.

• Певец взял ноту с фальшью.

  The singer sang a note off-key.

• Певица, фальшивящая на высоких нотах, смутилась.

  The singer, who was singing off-key on the high notes, became embarrassed.