decide between

decide between (someone or something)

To choose someone or something when given two options. Holly and Jack are both such good candidates for the job that I'm having a hard time deciding between them.
See also: between, decide
Farlex Dictionary of Idioms.

decide between (someone and someone else)

 and decide between (something and something else)
to choose one from two people; to choose one from two things. I could not decide between Tom and Wally. We could not decide between those two.
See also: between, decide
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • decide between (someone or something)
  • deciding
  • decide among
  • decide among (someone or something)
  • choose between (two people or things)
  • choose between two people or things
  • prefer
  • prefer (someone or something) to (someone or something else)
  • prefer to
  • decide against (someone or something)