jury is still out
the jury is (still) out
A decision has not yet been made. A: "Are we proceeding with the ad campaign?" B: "The jury is out on that. We want to bring in a few more focus groups."
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
jury is still out (on someone or something)
Fig. a decision has not been reached on someone or something; the people making the decision on someone or something have not yet decided. The jury is still out on Jane. We don't know what we are going to do about her. The jury is still out on the question of building a new parking lot.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.