New #Idioms
• a breath of fresh air: someone or something new that's exciting
• a/the new kid on the block [informal]: someone or something that is new in a place
• be ahead of the curve: to be first to change to a new idea and later becomes popular
• break the mould: to be new and different
• up-to-the-minute: modern

Not hopeful #Idioms
• a road to nowhere: not helpful, no chance of success
• be in a funk: be unhappy and without hope
• be on a hiding to nothing: doing things that is hopeless
• lose heart: be discourage
• merchant of doom/gloom: someone who is always saying bad things are going to happen
• not give much for someone's chances: to not believe someone will succeed
• the glass is half empty: pessimistic on something

Youth #Idioms
• in the flower of someone's youth: young and the most active period of life
• at your mother's knee: learned when young
• knee-high to a grasshopper [informal]/spring chicken: very small, young