waver russian

• дро́гнуть

  shiver, be chilled, shake, quaver, move, waver, falter, flinch

• колеба́ться

  hesitate, vacillate, waver

• колеба́ние

  vibration, fluctuation, variation, hesitation, wavering, vacillation

• заколеба́ться

  begin to hesitate, become unsteady, begin to waver

• ша́ткий

  unsteady, shaky, rickety, precarious, wavering, weak

• продро́гнуть

  shiver, be chilled, shake, quaver, move, waver, falter, flinch