" you mean that people in general have still not made a decision or formed an opinion about that subject. The jury is out on whether or not this is true."
"If you describe something that someone has achieved as a feather in their cap, you mean that they can be proud of it or that it might bring them some advantage. Harry's appointment to this important post was a feather in his cap"
"precocious (prɪkoʊʃəs IPA Pronunciation Guide) ADJECTIVE [usually ADJECTIVE noun] A precocious child is very clever, mature, or good at something, often in a way that you usually only expect to find in an adult."