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Found one definition

1.                 From Mueller English-Russian Dictionary:
                   
   
   
                   
                     
   trembling
      [↗trɛmblɪŋ]
      1. _pres-p. от tremble 2
      2. _n.
         1) дрожь
         2) страх, трЕпет; in fear and trembling трепещА