معاني كلمات تردد تذبذب

Reverb / backwards / frequency, hesitation, hesitancy, heterogeneity, hesitance, perplexity, fluctuation, indecision, scruple, fainting, timidity, irresolution, waver, vacillation, vibration, shillyshally, pause, hang, boggle, worry, ambivalence, reticence

Oscillate / Vibrate / vibration, vacillation