oscillate russian

• колеба́ться

  to hesitate, to waver, to vacillate, to be undecided

  to fluctuate, to vary, to range

  to sway, to swing, to rock

  to vibrate, to oscillate

• заколеба́ться

  to begin to hesitate, to begin to waver, to falter

  to get fed up, to be worn out, to slave away

  to begin to sway, to start to oscillate, to become unsteady

Examples

• Мэри коле́блется между изли́шней самоуве́ренностью и комплексом неполноце́нности.

  Maria oscillates between excessive self-confidence and an inferiority complex.