waltz

WALTZ noun

[ C ] uk/wɒls/ us
a dance for two partners performed to music that has a rhythm of three beats, or the music for the dance

вальс

waltz verb [ I ] uk/wɒls/ us
to dance a waltz

танцевать вальс
  waltz in/off, etc
to walk somewhere quickly and confidently, often in a way that annoys other people

впорхнуть/выпорхнуть
You can't just waltz into my bedroom - it's private!